104340-88-7
methyl 5-(acetylthio)-4-chloro-3-hydroxythiophene-2-carboxylate
→
~87%
104340-93-4
methyl 4-chloro-3-hydroxy-5-mercaptothiophene-2-carboxylate
104386-68-7
4-氯-3-羟基-5-(甲基硫代)噻吩-2-羧酸甲酯