| 1 | 4940-07-2 | 5-OXO-5-(4-PYRIDYL)VALERIC ACID | 5-OXO-5-(4-PYRIDYL)VALERIC ACID | C10H11NO3 | | |
| 2 | 4940-11-8 | 乙基麦芽酚 | ethylmaltol | C7H8O3 | 原料;增味剂;对照品;无机盐;添加剂;化工品;食品香料;香精香料;化工原料;其他原料 | 农药 |
| 3 | 4940-12-9 | 4H-Pyran-4-one, 3-hydroxy-2-(1-hydroxypentyl)- | 4H-Pyran-4-one, 3-hydroxy-2-(1-hydroxypentyl)- | C10H14O4 | | |
| 4 | 4940-13-0 | | 4H-Pyran-4-one, 3-hydroxy-2-(1-hydroxy-2-methylpropyl)- | C9H12O4 | | |
| 5 | 4940-17-4 | | 4H-Pyran-4-one, 2-butyl-3-hydroxy- | C9H12O3 | | |
| 6 | 4940-20-9 | 4H-Pyran-4-one, 3-hydroxy-2-(phenylmethyl)- | 4H-Pyran-4-one, 3-hydroxy-2-(phenylmethyl)- | C12H10O3 | | |
| 7 | 4940-21-0 | | 3-Hydroxy-2-vinyl-4H-pyran-4-one | C7H6O3 | | |
| 8 | 4940-37-8 | 4-(2-羟苯基)-2,4-二氧代丁酸乙酯 | Ethyl 4-(2-hydroxyphenyl)-2,4-dioxobutanoate | C12H12O5 | | |
| 9 | 4940-39-0 | 色酮甲酸 | 4-Oxo-4H-1-benzopyran-2-carboxylic acid | C10H6O4 | 吡喃;杂环砌块;通用试剂;生物试剂;小分子抑制剂;细胞-细胞系;细胞生物学-细胞系 | |
| 10 | 4940-40-3 | | 1H-Furo[3,4-b][1]benzopyran-3,9-dione | C11H6O4 | | |
| 11 | 4940-43-6 | (8S)-8-[1-[(2,3-Dimethyloxiran-2-yl)carbonyloxy]-1-methylethyl]-8,9-dihydro-2H-furo[2,3-h]-1-benzopyran-2-one | (8S)-8-[1-[(2,3-Dimethyloxiran-2-yl)carbonyloxy]-1-methylethyl]-8,9-dihydro-2H-furo[2,3-h]-1-benzopyran-2-one | C19H20O6 | | |
| 12 | 4940-45-8 | 1-[2,4-Bis(phenylmethoxy)phenyl]-2-methoxyethanone | 1-[2,4-Bis(phenylmethoxy)phenyl]-2-methoxyethanone | C23H22O4 | | |
| 13 | 4940-52-7 | 2-Benzylidene-6-methoxybenzofuran-3(2H)-one | 2-Benzylidene-6-methoxybenzofuran-3(2H)-one | C16H12O3 | | |
| 14 | 4940-62-9 | | Cyclopenta[4,5]pentaleno[1,6a-b]oxirene (9CI) | C11H6O | | |
| 15 | 4940-66-3 | 5H-Indole | 5H-Indole | C8H7N | | |