2,4-噻唑烷二酮

间硝基苯甲醛

6-methyl-4-phenyl-2-thioxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester

氯乙酸

ethyl 5-phenyl-2-(3-nitrophenylmethylene)-7-methyl-3-oxo-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate