4,6-二氨基嘧啶

硫氰化钾

甲亚胺酸

ethyl 3-amino-2-cyano-7-methyl-5-phenyl-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate

ethyl 3-amino-2-cyano-5-(4-methoxyphenyl)-7-methyl-5H-thiazolo<3,2-a>pyrimidine-6-carboxylate