9-氢芴-9-乙酸乙酯

(3-ethyl-1,3-thiazolidin-2-ylidene)cyanamide

2-氰基亚胺基-1,3-噻唑烷

(2-氟苯甲酰)乙酸乙酯

N-甲基-2,4-二硝基苯胺