89-56-5
5-甲基水杨酸
+
100-97-0
乌洛托品
→
~63%
67127-83-7
3-formyl-2-hydroxy-5-methylbenzoic acid
67-66-3
氯仿
65448-72-8
2-hydroxy-3-(hydroxymethyl)-5-methylbenzaldehyde