4-cyano-5-Methyl-1H-Pyrrole-2-carboxylic acid ethyl ester
4-氰基-5-甲基-1H-吡咯-2-甲酸乙酯
CAS No. 848498-76-0
4-氰基-5-甲基-1H-吡咯-2-甲酸乙酯