| 1 | 2426-07-5 | 1,2,7,8-Diepoxyoctane | C8H14O2 | 142.2 | | Soluble in water (partly miscible), acetone and heptane. |
| 2 | 2426-08-6 | Butyl glycidyl ether | C7H14O2 | 130.18 | 59 °C | 2 g/100 mL |
| 3 | 2426-19-9 | 5-METHOXY-ALPHA-OXO-1H-INDOLE-3-ACETYL CHLORIDE | C11H8ClNO3 | 237.64 | | |
| 4 | 2426-20-2 | 1H-Indole-3-acetamide, 5-methoxy-N,N-dimethyl-α-oxo- | C13H14N2O3 | 246.26 | | |
| 5 | 2426-22-4 | N,N-Diisopropyl-2-(5-methoxy-1H-indol-3-yl)-2-oxoacetamide | C17H22N2O3 | 302.37 | | |
| 6 | 2426-46-2 | (3R,4S,5S,6R)-3,4,5,6-tetrahydroxyoxepan-2-one | C6H10O6 | 178.14 | | |
| 7 | 2426-52-0 | TRANS-1-CINNAMYLPIPERAZINE | C19H33NO | 291.47 | | |
| 8 | 2426-54-2 | N,N-Diethylaminoethyl acrylate | C9H17NO2 | 171.24 | -60°C | |
| 9 | 2426-59-7 | 6-Benzyloxy-5-methoxyindole | C16H15NO2 | 253.3 | 147-148°C | |
| 10 | 2426-60-0 | 2-Hydroxy-6-nitro-M-anisaldehyde Benzenesulfonate | C14H11NO7S | 337.3 | | |
| 11 | 2426-61-1 | 2-Benzyloxy-3-Methoxy-6-nitrobenzaldehyde | C15H13NO5 | 287.27 | | |
| 12 | 2426-62-2 | 2-(Benzyloxy)-3-Methoxy-β,6-dinitrostyrene | C16H14N2O6 | 330.29 | | |
| 13 | 2426-63-3 | 5-METHOXY-3-(2-DIISOPROPYLAMINOETHYL)INDOLE HYDROCHLORIDE | C17H27ClN2O | 310.86 | 182-184℃ | |
| 14 | 2426-65-5 | Indole, 5-methoxy-3-(2-pyrrolidinylethyl)-, hydrochloride | | | 167 °C | |
| 15 | 2426-76-8 | 6-methoxy DiPT hydrochloride | C17H26N2O • HCl | 310.9 | | |
| 16 | 2426-84-8 | 4-(BENZYLOXY)-5-METHOXY-2-NITROBENZALDEHYDE | C15H13NO5 | 287.27 | 133 °C | |
| 17 | 2426-85-9 | 3-Methoxy-2-[(phenylsulfonyl)oxy]benzaldehyde | C14H12O5S | 292.31 | | |
| 18 | 2426-86-0 | 6-Nitro-o-vanillin | C8H7NO5 | 197.14 | | |
| 19 | 2426-87-1 | 4-Benzyloxy-3-methoxybenzaldehyde | C15H14O3 | 242.27 | 62-64 °C (lit.) | |
| 20 | 2426-88-2 | 1H-Indole-3-ethanamine, 6-methoxy-N,N-dimethyl- | C13H18N2O | 218.29 | | |
| 21 | 2426-89-3 | 4-Benzyloxy-3-methoxy-6-β-dinitrostyrene | C16H14N2O6 | 330.29 | 163-164°C | |
| 22 | 2426-94-0 | 4,4'-Bipyrimidine | C8H6N4 | 158.16 | 207 °C | |
| 23 | 24260-05-7 | C-Cyclopentyl-C-phenyl-methylamine hydrochloride | C12H17N*ClH | 211.73 | | |
| 24 | 24260-08-0 | Acetamide, N-(4-ethoxy-3,6-dioxo-1,4-cyclohexadien-1-yl)- | C10H11NO4 | 209.2 | | |
| 25 | 24260-24-0 | 3,5-Dimethylisothiazole | C5H7NS | 113.18 | | |
| 26 | 24260-28-4 | Carbonic acid 4-chlorophenyl=methyl | C8H7ClO3 | 186.59 | | |
| 27 | 24260-30-8 | 4-Quinolinecarboxylicacid, 2-ethyl- | C12H11NO2 | 201.22124 | | |
| 28 | 24260-31-9 | 2-ISOBUTYL-QUINOLINE-4-CARBOXYLIC ACID | C14H15NO2 | 229.27 | | |
| 29 | 24260-34-2 | 2-Methyl-3-phenoxy-quinoline-4-carboxylic acid | C17H13NO3 | 279.29 | | |
| 30 | 24260-42-2 | Carbonic acid 4-formylphenyl=methyl | C9H8O4 | 180.16 | | |
| 31 | 24260-55-7 | 2,5-diamino-terephthalic acid dimethyl ester | C10H12N2O4 | 224.21 | 185 °C | |
| 32 | 24260-57-9 | HEXOXYETHYL ACRYLATE | C11H20O3 | 200.27 | | |
| 33 | 24260-66-0 | 1-Dodecanamine, phosphate (1:1) | C12H30NO4P | 283.35 | | |
| 34 | 24260-67-1 | 1-Octanamine, phosphate (1:1) | C8H22NO4P | 227.24 | | |
| 35 | 24260-77-3 | Tinopal AN | C26H26N2O5S | 478.56004 | 269 °C (decomp) | |
| 36 | 24261-13-0 | Tetramethyl 1,2,3,4-butanetetracarboxylate | C12H18O8 | 290.27 | | |
| 37 | 24261-19-6 | Monobutyl Tetrachlorophthalate | C12H10Cl4O4 | 360.02 | | |
| 38 | 24261-23-2 | tris(octan-1-olato)oxovanadium | C24H51O4V | 454.61 | | |
| 39 | 24261-63-0 | Phosphoramidic acid, (2,3,5,6-tetrachloro-4-pyridinyl)-, dimethyl ester (9CI) | C7H7Cl4N2O3P | 339.93 | | |
| 40 | 24261-66-3 | 1-Propanone,1-(4-methoxyphenyl)-3-[(phenylmethyl)amino]-, hydrochloride (1:1) | C17H20ClNO2 | 305.8 | | |
| 41 | 24261-80-1 | Piperazine, 1-allyl-4-(2-aminoethyl)- (8CI) | C9H19N3 | 169.27 | | |
| 42 | 24261-86-7 | 4,6-DIMETHYL-2-ETHYL-1,3,5-TRIOXANE | C7H14O3 | 146.18 | | |
| 43 | 24261-90-3 | Benzenecarboximidamide, N,N,N'-tris(trimethylsilyl)- | C16H32N2Si3 | 336.7 | | |
| 44 | 24261-99-2 | 13-IODO-TRICYCLO(8.2.2.2(4,7))HEXADECA-1(13),4(16),5,7(15),10(14),11-HEXAENE | C16H15I | 334.19 | | |
| 45 | 24262-07-5 | 13-METHYL-TRICYCLO(8.2.2.2(4,7))HEXADECA-1(13),4(16),5,7(15),10(14),11-HEXAENE | C17H18 | 222.32482 | | |
| 46 | 24262-31-5 | 2-Propanone, ion(1-) (9CI) | C3H5O- | 57.07 | | |
| 47 | 24262-38-2 | D-3-Bromocamphor-10-sulfonic acid monohydrate | C10H15BrO4S | 311.19 | 117-121°C | |
| 48 | 24262-63-3 | PHENYL 3-HYDROXYBENZOATE | C13H10O3 | 214.22 | | |
| 49 | 24262-65-5 | Benzoic acid, 4-(acetyloxy)-, phenyl ester | C15H12O4 | 256.25 | | |
| 50 | 24262-66-6 | methyl 4-acetoxybenzoate | C10H10O4 | 194.18 | 82-84°C(lit.) | |
| 51 | 24262-73-5 | Pentafluoropropionic acid cyclohexyl ester | C9H11F5O2 | 246.17 | | |
| 52 | 24263-64-7 | Phosphoramidic acid, (1-methylethyl)-, 2,5-dichloro-4-iodophenyl methyl ester (9CI) | C10H13Cl2INO3P | 424 | | |
| 53 | 24263-92-1 | N-METHYLINDOXYL MYRISTATE | C23H35NO2 | 357.53 | | |
| 54 | 24263-95-4 | 8-Quinolinol, 5-iodo-2-methyl- | C10H8INO | 285.08 | | |
| 55 | 24264-08-2 | 2-ethyl-1-buten-1-one | C6H10O | 98.143 | | |
| 56 | 24264-14-0 | 1H-Isoindole-1,3(2H)-dione, 5-(methylamino)- | C9H8N2O2 | 176.17202 | | |
| 57 | 24264-33-3 | 2-AMINO-4,7-DIHYDRO-5H-THIENO[2,3-C]PYRIDINE-3,6-DICARBOXYLIC ACID 3,6-DIETHYL ESTER | C13H18N2O4S | 298.36 | 146-148°C | |
| 58 | 24264-47-9 | Phosphoramidic acid, [3,5-dichloro-2-(trichloromethyl)-4-pyridinyl]-, dimethyl ester (9CI) | C8H8Cl5N2O3P | 388.4 | | |
| 59 | 24264-51-5 | 3-(4-METHOXYPHENOXY)-2-BUTANONE | C11H14O3 | 194.23 | | |
| 60 | 24264-52-6 | 3-(3,5-DIMETHYLPHENOXY)-2-BUTANONE | C12H16O2 | 192.25 | | |
| 61 | 24265-21-2 | 4-Chloro-3,6-dihydro-2H-pyran | C5H7ClO | 118.56 | | |
| 62 | 24265-23-4 | 4-BROMO-3,6-DIHYDRO-2H-PYRAN | C5H7BrO | 163.01 | | |
| 63 | 24265-24-5 | Methyl 3-fluoro-5-iodo-4-Methylbenzoate | C10H8N4O4S | 280.26 | 273 °C | |
| 64 | 24265-25-6 | Benzeneacetic acid, α-(benzoyloxy)-α-methyl-, ethyl ester | C18H18O4 | 298.33 | | |
| 65 | 24265-26-7 | Benzilic acid, ethyl ester, benzoate (7CI,8CI) | C23H20O4 | 360.4 | | |
| 66 | 24265-34-7 | o-Npca | C8H6ClNO4 | 215.59 | 62-63 °C(Solv: ligroine (8032-32-4); ethyl acetate (141-78-6)) | |
| 67 | 24265-37-0 | Ethanol, 2,2,2-trifluoro-, ion(1-) | C2H2F3O- | 99.03 | | |
| 68 | 24265-66-5 | Cyclohexanethiol, 1,1'-thiodi- (8CI) | C12H22S3 | 262.5 | | |
| 69 | 24265-91-6 | Benzene, 1-[(1E)-2-(4-nitrophenyl)ethenyl]-4-(phenylmethoxy)- | C21H17NO3 | 331.36 | | |
| 70 | 2426541-11-7 | Telavancin Impurity 8 | | | | |
| 71 | 2426547-83-1 | Galunisertib Impurity 27 | C21H18N4O | 342.40 | | |
| 72 | 2426547-88-6 | Galunisertib Impurity 35 | C22H20N4O | 356.43 | | |
| 73 | 2426552-12-5 | (tert-butyl(phenyl)phosphoryl)(mesityl)methanone | | | | |
| 74 | 2426561-00-2 | 5,5'-(3-methylpyridine-2,5-diyl)diisophthalic acid | | | | |
| 75 | 2426562-80-1 | 1-Bromo-5-(trifluoromethyl)-2,3-dihydro-1H-indene | C10H8BrF3 | 265.07 | | |
| 76 | 24266-07-7 | Bicyclo[6.1.0]nonane, 9-chloro-, (1α,8α,9α)- | C9H15Cl | 158.67 | | |
| 77 | 24266-69-1 | Benzenesulfonamide, N-[[(3-hydroxy-4,7,7-trimethylbicyclo[2.2.1]hept-2-yl)amino]carbonyl]-4-methyl-, [1R-(2-endo,3-exo)]- (9CI) | C18H26N2O4S | 366.48 | | |
| 78 | 2426616-55-7 | 1H-Pyrrole-2-carboxamide, N-cyclopropyl-3-methyl-4-[[6-(trifluoromethyl)-3-pyridinyl]methyl]- | C16H16F3N3O | 323.31 | | |
| 79 | 2426618-95-1 | 1H-Imidazole, 1,1'-[[1,1'-biphenyl]-4,4'-diyl]bis[2-methyl- | C20H18N4 | 314.38 | | |
| 80 | 2426624-83-9 | 1-(3-aminoazetidin-1-yl)prop-2-en-1-one trifluoroacetate | | | | |
| 81 | 2426628-29-5 | 10H,19H-3,5-([4,1]-endo-Pyrazolobutaniminomethano[3,4]-endo-pyrazolo)-1H-pyrrolo[2,3-b]pyridine-9-carbonitrile, 10,14-dimethyl-15-oxo-21-(trifluoromethyl)- | C22H19F3N8O | 468.44 | | |
| 82 | 2426628-52-4 | | C21H17F3N8O | 454.42 | | |
| 83 | 2426630-87-5 | (3-ethyl-5-methylphenyl)boronic acid | C9H13BO2 | 164.01 | | |
| 84 | 2426639-91-8 | Benzaldehyde, 3,5-dibromo-2-fluoro-4-hydroxy- | C7H3Br2FO2 | 297.91 | | |
| 85 | 2426665-56-5 | Methanone, (2-amino-6-ethoxy-3-benzofuranyl)(3,4,5-trimethoxyphenyl)- | C20H21NO6 | 371.38 | | |
| 86 | 2426675-70-7 | 1,6-Naphthyridin-4(1H)-one, 5-[[3-fluoro-4-[[7-(2-hydroxy-2-methylpropoxy)-4-quinolinyl]oxy]phenyl]amino]-1-methyl-3-phenyl- | C34H29FN4O4 | 576.62 | | |
| 87 | 2426685-25-6 | TPP-1 | C107H150N34O32S2 | 2488.7 | | |
| 88 | 2426686-17-9 | Hydrazinecarbothioamide, 2-[1-(5-chloro-2-hydroxyphenyl)ethylidene]-N-phenyl-, (2E)- | C15H14ClN3OS | 319.81 | | |
| 89 | 2426686-87-3 | 2-Piperidinone, 6-(hydroxymethyl)-5-(methoxymethoxy)-1-(2-propen-1-yl)-, (5S,6S)- | C11H19NO4 | 229.27 | | |
| 90 | 2426689-97-4 | 2426689-97-4 | C15H12N2O4 | 284.27 | | |
| 91 | 2426690-01-7 | 1H-Indene-5,6-dicarbonitrile, 1-(dicyanomethylene)-2,3-dihydro-3-oxo- | C14H4N4O | 244.21 | | |
| 92 | 2426692-30-8 | Boronic acid, B-imidazo[1,2-a]pyrimidin-6-yl- | C6H6BN3O2 | 162.94 | | |
| 93 | 2426692-37-5 | Boronic acid, B-(1,6-dihydro-1-methyl-6-oxo-4-pyridazinyl)- | C5H7BN2O3 | 153.93 | | |
| 94 | 24267-45-6 | Ethylendiamintetraessigsure mit Natrium- und Kaliumsalzen | C10H18KN2NaO8 | 356.35 | | |
| 95 | 24267-69-4 | Shikokianin | C24H32O8 | 448.51 | | |
| 96 | 2426705-19-1 | Urea, N-[6-[4-[(1R)-2-hydroxy-1-methylethyl]-4H-1,2,4-triazol-3-yl]-2-pyridinyl]-N'-pyrazolo[1,5-a]pyridin-2-yl- | C18H18N8O2 | 378.39 | | |
| 97 | 2426763-19-9 | 1(2H)-Isoquinolinone, 6-bromo-3,4-dihydro-8-methyl- | C10H10BrNO | 240.1 | | |
| 98 | 2426763-78-0 | Isoquinoline, 7-bromo-1,2,3,4-tetrahydro-2,5-dimethyl- | C11H14BrN | 240.14 | | |
| 99 | 2426763-89-3 | 4-Isoquinolinol, 7-bromo-1,2,3,4-tetrahydro-5-methoxy- | C10H12BrNO2 | 258.11 | | |
| 100 | 2426764-45-4 | 2H-?1,?3,?5-?Oxadiazin-?2-?one, 3-?butyl-?6-?(4-?chlorophenyl)?-?3,?4-?dihydro- | | | | |
| 101 | 2426769-76-6 | EGFR-IN-3 | C26H30F3N7O2S | 561.62 | | |
| 102 | 24268-09-5 | 1-Propene, 1-(ethenyloxy)-, (Z)- (9CI) | C5H8O | 84.12 | | |
| 103 | 24268-10-8 | 1-Propene, 1-(ethenyloxy)-, (E)- (9CI) | C5H8O | 84.12 | | |
| 104 | 24268-17-5 | Cyclopentaneacetic acid, 2,2,3-trimethyl-4-oxo-, (1R,3S)- | C10H16O3 | 184.23 | | |
| 105 | 24268-34-6 | (1R)-1,2,4aβ,5,6,7,8,8aα-Octahydro-3-methyl-8-methylene-5β-isopropyl-1-naphthol | C15H24O | 220.35 | | |
| 106 | 24268-39-1 | [1S,(-)]-1,2,3,4,4aα,5,6,8aα-Octahydro-7-methyl-4-methylene-1-isopropylnaphthalene | C15H24 | 204.35 | | |
| 107 | 24268-41-5 | Furanodienon | C15H18O2 | 230.3 | 83-84℃ | |
| 108 | 24268-42-6 | (5Z,10E)-8,11-Dihydro-3,6,10-trimethylcyclodeca[b]furan-4(7H)-one | C15H18O2 | 230.3 | | |
| 109 | 24268-44-8 | (3aR,6S)-3,3a,4,5,6aβ,7,9aβ,9bα-Octahydro-4α-hydroxy-9-methyl-3-methylenespiro[azuleno[4,5-b]furan-6(2H),2'-oxiran]-2-one | C15H18O4 | 262.3 | | |
| 110 | 24268-45-9 | (E)-4-Hydroxy-2-(hydroxymethyl)-2-butenoic acid [(3aR,6S)-3,3a,4,5,6aβ,7,9aβ,9bα-octahydro-9-methyl-3-methylene-2-oxospiro[azuleno[4,5-b]furan-6(2H),2'-oxiran]-4α-yl] ester | C20H24O7 | 376.4 | | |
| 111 | 24268-81-3 | 2-(dimethylamino)-3-phenylpropanoic acid | C11H15NO2 | 193.24 | | |
| 112 | 24268-87-9 | 9(10H)-Acridinone,10-[2-(dimethylamino)ethyl]-1-nitro-, hydrochloride (1:1) | C17H18ClN3O3 | 347.79612 | | |
| 113 | 24268-89-1 | C-492 | C18H20ClN3O3 | 361.8227 | | |
| 114 | 24268-94-8 | 7H-Dibenzo[de,g]quinolin-7-one, 1,2,3,4-tetramethoxy- | C20H17NO5 | 351.35 | | |
| 115 | 24269-10-1 | 9,10-dihydro-9,9,10,10-tetraMethyl-Anthracene | C18H20 | 236.3514 | | |
| 116 | 24269-19-0 | 1-Piperazinecarboxylic acid, 4-[2-(cyclohexylamino)ethyl]-, cyclohexyl ester, hydrochloride (1:1) | C19H36ClN3O2 | 373.97 | | |
| 117 | 24269-21-4 | 1-Piperazinecarboxylic acid, 4-[2-(dimethylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C12H26ClN3O2 | 279.81 | | |
| 118 | 24269-22-5 | 1-Piperazinecarboxylic acid, 4-[2-(pentylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C15H32ClN3O2 | 321.89 | | |
| 119 | 24269-33-8 | Cobalt(1+),bis[[2,3-butanedione di(oximato-kN)](1-)]bis(pyridine)-,chloride, (OC-6-12)- (9CI) | C18H24ClCoN6O4 | 482.81 | | |
| 120 | 24269-44-1 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, methyl ester, hydrochloride (1:1) | C12H26ClN3O2 | 279.81 | | |
| 121 | 24269-45-2 | 1-Piperazinecarboxylicacid, 4-[2-(diethylamino)ethyl]-, ethyl ester, hydrochloride (1:1) | C13H28ClN3O2 | 293.836 | | |
| 122 | 24269-46-3 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, propyl ester, hydrochloride (1:1) | C14H30ClN3O2 | 307.86 | | |
| 123 | 24269-47-4 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C14H30ClN3O2 | 307.86 | | |
| 124 | 24269-48-5 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, butyl ester, hydrochloride (1:1) | C15H32ClN3O2 | 321.89 | | |
| 125 | 24269-49-6 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, 2-methylpropyl ester, hydrochloride (1:1) | C15H32ClN3O2 | 321.89 | | |
| 126 | 24269-50-9 | 1-Piperazinecarboxylic acid, 4-[2-(diethylamino)ethyl]-, cyclohexyl ester, hydrochloride (1:1) | C17H34ClN3O2 | 347.93 | | |
| 127 | 24269-51-0 | 1-Piperazinecarboxylic acid, 4-[2-(dimethylamino)ethyl]-, ethyl ester, hydrochloride (1:1) | C11H24ClN3O2 | 265.78 | | |
| 128 | 24269-52-1 | 1-Piperazinecarboxylic acid, 4-[2-[bis(2-methylpropyl)amino]ethyl]-, ethyl ester, hydrochloride (1:1) | C17H36ClN3O2 | 349.94 | | |
| 129 | 24269-54-3 | 1-Piperazinecarboxylic acid, 4-[2-(cyclohexylamino)ethyl]-, ethyl ester, hydrochloride (1:1) | C15H30ClN3O2 | 319.87 | | |
| 130 | 24269-55-4 | 1-Piperazinecarboxylic acid, 4-[2-(hexylamino)ethyl]-, ethyl ester, hydrochloride (1:1) | C15H32ClN3O2 | 321.89 | | |
| 131 | 24269-56-5 | 1-Piperazinecarboxylic acid, 4-[2-(1-pyrrolidinyl)ethyl]-, ethyl ester, hydrochloride (1:1) | C13H26ClN3O2 | 291.82 | | |
| 132 | 24269-57-6 | 1-Piperazinecarboxylic acid, 4-[2-(4-morpholinyl)ethyl]-, ethyl ester, hydrochloride (1:1) | C13H26ClN3O3 | 307.82 | | |
| 133 | 24269-60-1 | 1-Piperazinecarboxylic acid, 4-[2-(dibutylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C18H38ClN3O2 | 363.97 | | |
| 134 | 24269-67-8 | 1-Piperazinecarboxylic acid, 4-[2-(butylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C14H30ClN3O2 | 307.86 | | |
| 135 | 24269-74-7 | 1-Piperazinecarboxylic acid, 4-[2-(cyclohexylamino)ethyl]-, 1-methylethyl ester, hydrochloride (1:1) | C16H32ClN3O2 | 333.9 | | |
| 136 | 24269-78-1 | 1-Piperazinecarboxylic acid, 4-[2-[bis(2-methylpropyl)amino]ethyl]-, butyl ester, hydrochloride (1:1) | C19H40ClN3O2 | 378 | | |
| 137 | 24269-81-6 | 1-Piperazinecarboxylic acid, 4-[2-(butylamino)ethyl]-, 3-methylbutyl ester, hydrochloride (1:1) | C16H34ClN3O2 | 335.92 | | |
| 138 | 24269-84-9 | 1-Piperazinecarboxylic acid, 4-[2-(butylamino)ethyl]-, cyclohexyl ester, hydrochloride (1:1) | C17H34ClN3O2 | 347.93 | | |
| 139 | 24269-89-4 | 1-Piperazinecarboxylic acid, 4-[2-(pentylamino)ethyl]-, cyclohexyl ester, hydrochloride (1:1) | C18H36ClN3O2 | 361.96 | | |
| 140 | 24269-96-3 | 5-[2-(5-Nitro-2-furanyl)ethenyl]-2-furancarboxylic Acid Methyl Ester | C12H9NO6 | 263.2 | 139-140 °C | |