2-溴-4-甲基-1,3-噻唑-5-甲酸乙酯

2-氯乙酰乙酸乙酯

2-(N'-acetyl-hydrazino)-4-methyl-thiazole-5-carboxylic acid ethyl ester

2-[N'-(benzothiazole-2-carbonyl)-hydrazino]-4-methyl-thiazole-5-carboxylic acid ethyl ester

氨基硫脲