171861-88-4
4-Benzoxazolecarboxamide, 2-methyl-
→
135891-44-0
2-acetamido-3-hydroxybenzoic acid
906096-11-5
2-amino-3-hydroxybenzoic acid hydrobromide
+
75-36-5
乙酰氯
548-93-6
3-羟基-2-氨基苯甲酸