67-56-1
甲醇
+
6889-80-1
2-(3,4-二甲氧苯基)-3-羟基-4H-吡喃-4-酮
→
~76%
70460-52-5
2-(3,4-dimethoxyphenyl)-3-hydroxy-2,3-dimethoxychromen-4-one