1 | 49870-84-0 | 刻叶紫堇胺 | Corydamine | C20H18N2O4
| 标准品 -中药标准品 | |
2 | | AURORA KA-10 | AURORA KA-10 | C20H18N2O4
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3 | 749864-17-3 | Tadalafil Impurity 35 | Tadalafil Impurity 35 | C20H18N2O4
| 杂质对照品 | |
4 | | FMOC-L-2-AMINO-4-CYANOBUTYRIC ACID | FMOC-L-2-AMINO-4-CYANOBUTYRIC ACID | C20H18N2O4
| 胺基酸;Amino Acids | |
5 | 1262802-58-3 | R-2-FMOC-氨基-4-氰基丁酸 | (R)-2-Fmoc-amino-4-cyanobutyric acid | C20H18N2O4
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6 | 20440-91-9 | 4-硝基-4',4''-二甲氧基三苯胺 | 4-nitro-N,N-di(4-methoxyphenyl) benzenamine | C20H18N2O4
| 配体;有机化学 | |
7 | | 3-nitro-4-(4-phenylpiperidino)-2H-chromen-2-one | 3-nitro-4-(4-phenylpiperidino)-2H-chromen-2-one | C20H18N2O4
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8 | 352649-26-4 | N'-[2-(2-methoxyphenoxy)acetyl]-2-naphthohydrazide | N'-[2-(2-methoxyphenoxy)acetyl]-2-naphthohydrazide | C20H18N2O4
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9 | | 4-methoxy-N'-[2-(1-naphthyloxy)acetyl]benzohydrazide | 4-methoxy-N'-[2-(1-naphthyloxy)acetyl]benzohydrazide | C20H18N2O4
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10 | | N-(2-furylmethyl)-3-[(2-phenoxyacetyl)amino]benzamide | N-(2-furylmethyl)-3-[(2-phenoxyacetyl)amino]benzamide | C20H18N2O4
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11 | | N-{2-methoxy-4-[(phenylacetyl)amino]phenyl}-2-furamide | N-{2-methoxy-4-[(phenylacetyl)amino]phenyl}-2-furamide | C20H18N2O4
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12 | 882749-01-1 | 3-(2-METHOXY-5-NITROANILINO)-1-(2-NAPHTHYL)-1-PROPANONE | 3-(2-METHOXY-5-NITROANILINO)-1-(2-NAPHTHYL)-1-PROPANONE | C20H18N2O4
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13 | 347337-35-3 | N-(4-{[2-(3-methylphenoxy)acetyl]amino}phenyl)-2-furamide | N-(4-{[2-(3-methylphenoxy)acetyl]amino}phenyl)-2-furamide | C20H18N2O4
| | |
14 | | 3-BENZYLOXYCARBONYLAMINO-3-ISOQUINOLIN-4-YL-PROPIONIC ACID | 3-BENZYLOXYCARBONYLAMINO-3-ISOQUINOLIN-4-YL-PROPIONIC ACID | C20H18N2O4
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15 | 307535-80-4 | ethyl 4-[4-(methoxycarbonyl)anilino]-3-quinolinecarboxylate | ethyl 4-[4-(methoxycarbonyl)anilino]-3-quinolinecarboxylate | C20H18N2O4
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16 | 93065-69-1 | ethyl {2-[(1-phenyl-1H-pyrazol-4-yl)carbonyl]phenoxy}acetate | ethyl {2-[(1-phenyl-1H-pyrazol-4-yl)carbonyl]phenoxy}acetate | C20H18N2O4
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17 | 139297-37-3 | [3-[(2,6-dimethylphenyl)carbamoyl]oxazol-5-yl]methyl benzoate | [3-[(2,6-dimethylphenyl)carbamoyl]oxazol-5-yl]methyl benzoate | C20H18N2O4
| | |
18 | 477870-43-2 | 4-[4-(DIMETHOXYMETHYL)-2-PYRIMIDINYL]PHENYL BENZENECARBOXYLATE | 4-[4-(DIMETHOXYMETHYL)-2-PYRIMIDINYL]PHENYL BENZENECARBOXYLATE | C20H18N2O4
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19 | 316143-45-0 | N'-(3-ethoxy-4-hydroxybenzylidene)-3-hydroxy-2-naphthohydrazide | N'-(3-ethoxy-4-hydroxybenzylidene)-3-hydroxy-2-naphthohydrazide | C20H18N2O4
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20 | 361464-82-6 | N'-(2-furylmethylene)-4-[(2-methoxyphenoxy)methyl]benzohydrazide | N'-(2-furylmethylene)-4-[(2-methoxyphenoxy)methyl]benzohydrazide | C20H18N2O4
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21 | 1212161-14-2 | (2R)-{[(3-acetyl-1H-indol-1-yl)acetyl]amino}(phenyl)ethanoic acid | (2R)-{[(3-acetyl-1H-indol-1-yl)acetyl]amino}(phenyl)ethanoic acid | C20H18N2O4
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22 | 381214-65-9 | (E)-3-(3-(3,4-二甲氧基苯基)-1-苯基-1H-吡唑-4-基)丙烯酸 | 3-[3-(3,4-DIMETHOXY-PHENYL)-1-PHENYL-1H-PYRAZOL-4-YL]-ACRYLIC ACID | C20H18N2O4
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23 | | 2,7-Dihydro-2,7-diisopropylisoindolo[5,6-f]isoindole-1,3,6,8-tetrone | 2,7-Dihydro-2,7-diisopropylisoindolo[5,6-f]isoindole-1,3,6,8-tetrone | C20H18N2O4
| | |
24 | 425417-59-0 | [4-(2,6-DIMETHYL-4-OXO-5-PHENYLPYRIMIDIN-1(4H)-YL)PHENOXY]ACETIC ACID | [4-(2,6-DIMETHYL-4-OXO-5-PHENYLPYRIMIDIN-1(4H)-YL)PHENOXY]ACETIC ACID | C20H18N2O4
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25 | 307535-76-8 | ethyl 4-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-3-quinolinecarboxylate | ethyl 4-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-3-quinolinecarboxylate | C20H18N2O4
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26 | 352555-76-1 | butyl 4-[2-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)hydrazino]benzoate | butyl 4-[2-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)hydrazino]benzoate | C20H18N2O4
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27 | 1335055-96-3 | Methyl 1,3-dibenzyl-2,4-dioxo-1,2,3,4-tetrahydropyriMidine-5-carboxylate | Methyl 1,3-dibenzyl-2,4-dioxo-1,2,3,4-tetrahydropyriMidine-5-carboxylate | C20H18N2O4
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28 | | (Z)-3-[3-(3,4-DIMETHOXYPHENYL)-1-PHENYL-1H-PYRAZOL-4-YL]-2-PROPENOIC ACID | (Z)-3-[3-(3,4-DIMETHOXYPHENYL)-1-PHENYL-1H-PYRAZOL-4-YL]-2-PROPENOIC ACID | C20H18N2O4
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29 | | 5-[4-(benzyloxy)benzylidene]-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione | 5-[4-(benzyloxy)benzylidene]-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione | C20H18N2O4
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30 | | ethyl 2-{[(5-methyl-3-phenyl-4-isoxazolyl)carbonyl]amino}benzenecarboxylate | ethyl 2-{[(5-methyl-3-phenyl-4-isoxazolyl)carbonyl]amino}benzenecarboxylate | C20H18N2O4
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31 | 79039-00-2 | 3-[2-[4-[5-(methoxymethyl)-2-oxo-oxazolidin-3-yl]phenyl]acetyl]benzoni trile | 3-[2-[4-[5-(methoxymethyl)-2-oxo-oxazolidin-3-yl]phenyl]acetyl]benzoni trile | C20H18N2O4
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32 | | methyl 4-{8-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl}benzoate | methyl 4-{8-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl}benzoate | C20H18N2O4
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33 | 433241-04-4 | 3-{[1-(3,4-dimethylphenyl)-3,5-dioxo-4-pyrazolidinylidene]methyl}phenyl acetate | 3-{[1-(3,4-dimethylphenyl)-3,5-dioxo-4-pyrazolidinylidene]methyl}phenyl acetate | C20H18N2O4
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34 | | 3-Amino-1-cyano-1-(3,4-dimethoxyphenyl)-1H-indene-2-carboxylic acid methyl ester | 3-Amino-1-cyano-1-(3,4-dimethoxyphenyl)-1H-indene-2-carboxylic acid methyl ester | C20H18N2O4
| | |
35 | | 8-METHOXY-5-OXO-N-PHENYL-1,5-DIHYDRO-2H-CHROMENO[3,4-C]PYRIDINE-3(4H)-CARBOXAMIDE | 8-METHOXY-5-OXO-N-PHENYL-1,5-DIHYDRO-2H-CHROMENO[3,4-C]PYRIDINE-3(4H)-CARBOXAMIDE | C20H18N2O4
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36 | | 2-[3-hydroxy-2-oxo-3-(2-oxo-4-phenyl-3-butenyl)-2,3-dihydro-1H-indol-1-yl]acetamide | 2-[3-hydroxy-2-oxo-3-(2-oxo-4-phenyl-3-butenyl)-2,3-dihydro-1H-indol-1-yl]acetamide | C20H18N2O4
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37 | 321432-16-0 | 5-([2-(ALLYLOXY)-1-NAPHTHYL]METHYLENE)-1,3-DIMETHYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE | 5-([2-(ALLYLOXY)-1-NAPHTHYL]METHYLENE)-1,3-DIMETHYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE | C20H18N2O4
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38 | | 3-Isoquinolinecarboxamide, N-(1,3-benzodioxol-5-ylmethyl)-N-ethyl-1,2-dihydro-1-oxo- | 3-Isoquinolinecarboxamide, N-(1,3-benzodioxol-5-ylmethyl)-N-ethyl-1,2-dihydro-1-oxo- | C20H18N2O4
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39 | 1534326-80-1 | (1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid 2,5-Dioxo-1-pyrrolidinyl Ester | (1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid 2,5-Dioxo-1-pyrrolidinyl Ester | C20H18N2O4
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40 | 441738-33-6 | ethyl 4-{4-[3-(2-furyl)-2-propenylidene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzoate | ethyl 4-{4-[3-(2-furyl)-2-propenylidene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzoate | C20H18N2O4
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41 | 65491-10-3 | 2H-Pyrido[3,4-b]indole-2,3-dicarboxylic acid, 1,3,4,9-tetrahydro-, 2-(phenylmethyl) ester, (3S)- | 2H-Pyrido[3,4-b]indole-2,3-dicarboxylic acid, 1,3,4,9-tetrahydro-, 2-(phenylmethyl) ester, (3S)- | C20H18N2O4
| 氨基酸 | 氨基酸 |
42 | 663203-38-1 | 2-amino-4-[3-methoxy-4-(2-propynyloxy)phenyl]-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile | 2-amino-4-[3-methoxy-4-(2-propynyloxy)phenyl]-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile | C20H18N2O4
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43 | 171596-42-2 | 他达拉非杂质7 | (1S,3R)-Methyl-1,2,3,4-tetrahydro-1-(3,4-Methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate | C20H18N2O4
| 杂质对照品 | |
44 | | 3-[(2,3-DIHYDRO-5-OXO-(1H,5H)-BENZO[IJ]QUINOLIZIN-6-YL)METHOXY]PYRIDINE-2-CARBOXYLIC ACID, METHYL ESTER | 3-[(2,3-DIHYDRO-5-OXO-(1H,5H)-BENZO[IJ]QUINOLIZIN-6-YL)METHOXY]PYRIDINE-2-CARBOXYLIC ACID, METHYL ESTER | C20H18N2O4
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45 | 171596-43-3 | 他达拉非相关杂质6 | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester | C20H18N2O4
| 对照品-杂质对照品 | |
46 | 1367574-90-0 | 他达拉非杂质77 | 1H-Pyrido[3,4-b]indole-3-carboxylic acid, 1-(1,3-benzodioxol-4-yl)-2,3,4,9-tetrahydro-, methyl ester, (1R,3R)- | C20H18N2O4
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47 | | 12,14-dimethyl-10c,14-dihydro-2H,3H-benzo[5',6']chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-11,13(2aH,12H)-dione | 12,14-dimethyl-10c,14-dihydro-2H,3H-benzo[5',6']chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-11,13(2aH,12H)-dione | C20H18N2O4
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