3-(二氯甲基)-1-甲基-1H-吡唑-4-羧酸乙酯

4,4-difluoro-2-[1-methylamino-meth-(E)-ylidene]-3-oxo-butyric acid ethyl ester

ethyl 4,4-difluoro-2-[1-{N-methyl-N'-[1-phenylmethylidene]hydrazino}-methylidene]-3-oxobutyrate

4-氯-4,4-二氟乙酰乙酸乙酯

3-(1-哌啶基)丙烯酸乙酯