14763-60-1
4-羟基苯甲砜
+
100-97-0
乌洛托品
→
~29%
632628-02-5
2-hydroxy-5-methylsulfonylbenzaldehyde
20277-69-4
甲烷亚磺酸钠
1761-61-1
5-溴水杨醛