5-(3,4,5-三甲氧基苯基)-[1,3,4]噁二唑-2-硫醇

3,4,5-三甲氧基苯甲酰肼

potassium 2-(3,4,5--trimethoxybenzoyl)hydrazidecarbdithioate

氯乙酸乙酯

乙醇