408340-75-0
4-ethoxythiocarbonylmercapto-2-hydroxy-benzoic acid
→
87703-95-5
2-hydroxy-4-sulfanylbenzoic acid
94231-96-6
4-[(4-carboxy-3-hydroxyphenyl)disulfanyl]-2-hydroxybenzoic acid
67127-67-7
2-羟基-4-(甲基硫基)-苯甲酸