| 1 | 406-05-3 | METHYL 3,3-DIFLUOROACRYLATE | METHYL 3,3-DIFLUOROACRYLATE | C4H4F2O2
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| 2 | 944328-71-6 | 4,4-二氟丁-2-烯酸 | 4,4-Difluoro-but-2-enoic acid | C4H4F2O2
| | |
| 3 | 67130-65-8 | 2,3-Butanedione, 1,1-difluoro- (9CI) | 2,3-Butanedione, 1,1-difluoro- (9CI) | C4H4F2O2
| | |
| 4 | 107873-03-0 | 2,2-二氟环丙羧酸 | 2,2-Difluorocyclopropanecarboxylic acid | C4H4F2O2
| 杂环类;砌块-含氟砌块 | |
| 5 | 99764-30-4 | 2-Propenoic acid, 3,3-difluoro-2-methyl- | 2-Propenoic acid, 3,3-difluoro-2-methyl- | C4H4F2O2
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| 6 | | 2,2-DIFLUOROCYCLOPROPANECARBOXYLIC ACID, TECH. | 2,2-DIFLUOROCYCLOPROPANECARBOXYLIC ACID, TECH. | C4H4F2O2
| | |
| 7 | 1631747-25-5 | (1R)-2,2-二氟环丙烷-1-羧酸 | (1R)‐2,2‐difluorocyclopropane‐1‐carboxylic acid | C4H4F2O2
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