3-甲氧基羰基-2-甲基-丙酸氯

1-[2-(二甲基氨基)乙基]-5-氧代吡咯烷-3-羧酸

1-(4-chlorophenyl)pyrrole-3-carbaldehyde

1-(2,5-Dichlorophenyl)-5-oxo-3-pyrrolidinecarboxylic acid

1-(3,4-二氯苯基)-2-氧代吡咯烷-4-羧酸