7647-01-0
氯化氢
+
80998-66-9
sulfamoyl-terephthalic acid
→
4991-22-4
2-sulfoterephthalic acid
926187-61-3
20532-05-2
4-甲基-3-磺酰基苯甲酸
62454-72-2
4-methyl-3-sulfobenzoic acid
100-21-0
对苯二甲酸