412345-55-2
3-hydroxy-1,1-dioxo-1λ6-benzo[b]thiophene-2-carboxylic acid ethyl ester
→
33963-55-2
2-甲基磺酰苯甲酸
+
1209-81-0
2-(carboxymethylsulfonyl)benzoic acid
49639-13-6
2-(methylsulfonyl)benzoyl chloride
623-11-0
对硝基甲苯
61670-15-3
1,1-dioxo-1-benzothiophen-3-ol
69159-80-4
19093-34-6
2-(甲基亚磺酰)苯甲酸
3724-10-5
2-(甲基硫代)苯甲酸
14092-00-3
2-甲苄基硫醇