89-56-5
5-甲基水杨酸
+
7697-37-2
硝酸
64-19-7
乙酸
→
59672-93-4
2-hydroxy-5-methyl-3-nitrobenzoic acid
67191-44-0
methyl 2-hydroxy-5-methyl-3-nitrobenzoate
70978-07-3
methyl 3-amino-2-hydroxy-5-methylbenzoate