67-56-1
甲醇
+
5631-67-4
7-羟基苯并二氢吡喃-2-酮
→
~92%
17422-90-1
Methyl 3-(2,4-dihydroxyphenyl)propionate
5631-68-5
3-(2,4-二羟基苯基)丙酸
108-46-3
间苯二酚