2-(羟亚氨基)乙酰乙酸乙酯

Ethyl 4-(2-chloroacetyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate

3,5-二甲基-1H-吡咯-2-甲酸乙酯

乙酰乙酸乙酯

4-(2-bromo-vinyl)-3,5-dimethyl-pyrrole-2-carboxylic acid ethyl ester