3-乙氧基-1,7-二甲基[1,2,4]三唑并[5,1-c][1,2,4]三嗪-4(1H)-酮

diethyl 1-benzylimidazole-4,5-dicarboxylate

1-Benzyl-5-cyano-1H-imidazole-4-carboxylic acid ethyl ester

4-甲氧基苯甲腈

苦味酸