112021-87-1
Ethyl 2-methyl-3-(2-hydroxyphenyl)propenoate
→
~75%
103487-44-1
3-(2-hydroxyphenyl)-2-methylprop-2-enoic acid
516-05-2
甲基丙二酸
+
90-02-8
2-羟基苯甲醛