ethyl 2-(6-(cyano(phenyl)methoxy)-2,3,4-trimethoxyphenyl)-2-oxoacetate

溴苯乙腈

3,4,5-三甲氧基苯酚

5,6,7-trimethoxy-2-phenyl-2,3-dihydrochromen-4-one

1-(3,6-dihydroxy-2,4-dimethoxyphenyl)-2-methoxyethanone