N-butyl-2-methyl-2-(phenylcarbonothioyl)hydrazinecarbothioamide

Didehydro-4-methyl-5-phenyl-1,3,4-thiazolidin-2-on

2-巯基-S-硫代苯甲酰乙酸

苯磺酰氯

对硝基甲苯