4-乙基-3,5-二甲基-1H-吡咯-2-甲酸乙酯

1-(4-amino-1,2,5-oxadiazol-3-yl)-N-[(2,4-dichlorophenyl)methylideneamino]-5-propyltriazole-4-carboxamide

3-乙酰基-2,4-二甲基-5-乙氧羰基吡咯

ethyl 3-ethyl-4-methyl-1H-pyrrole-2-carboxylate

tert-butyl 4-ethyl-3,5-dimethylpyrrole-2-carboxylate