7789-21-1
氟磺酸
+
88-75-5
邻硝基苯酚
→
349-05-3
4-hydroxy-3-nitrobenzenesulfonyl fluoride
368-87-6
4-hydroxybenzenesulfonyl fluoride
368-73-0
3-amino-4-hydroxybenzenesulfonyl fluoride