156-38-7
对羟基苯乙酸
+
87-66-1
邻苯三酚
→
~89%
77316-95-1
2-(4-hydroxyphenyl)-1-(2,3,4-trihydroxyphenyl)ethanone
75187-63-2
7,8-二羟基-3-(4-羟基苯基)苯并吡喃-4-酮