| 1 | 39774-02-2 | 2,3-二氟马来酸二甲酯 | dimethyl 2,3-difluoromaleate | C6H6F2O4
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| 2 | 79322-43-3 | 2,3-二氟富马酸二甲酯 | dimethyl 2,3-difluorofumarate | C6H6F2O4
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| 3 | 1307857-45-9 | 2,2-Difluoro-4-Methylenepentanedioic acid | 2,2-Difluoro-4-Methylenepentanedioic acid | C6H6F2O4
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| 4 | 827032-80-4 | 3,3-二氟环丁烷-1,1-二羧酸 | 3,3-DIFLUORO-CYCLOBUTANE-1,1-DICARBOXYLIC ACID | C6H6F2O4
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| 5 | 1031926-89-2 | 5,5-二氟-2,2-二甲基-1,3-二噁烷-4,6-二酮 | 5,5-DIFLUORO-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE | C6H6F2O4
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| 6 | 142144-42-1 | 1,2-Cyclopropanedicarboxylic acid, 3,3-difluoro-, monomethyl ester, trans- (9CI) | 1,2-Cyclopropanedicarboxylic acid, 3,3-difluoro-, monomethyl ester, trans- (9CI) | C6H6F2O4
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