112273-79-7
2-{[2-(aminocarbothioyl)hydrazino]carbonyl}benzoic acid
→
~76%
1119452-21-9
2-(5-硫氧代-4,5-二氢-1H-1,2,4-噻唑-3-基)苯甲酸
85-44-9
苯酐