5,7-二乙酰基-6-(5-羧基-6,7-二羟基-4-氧代苯并吡喃-3-基)-2,3-二羟基-9-氧代氧杂蒽-1-羧酸

5-溴香兰素

methyl (E)-6,7-dimethoxy-4-oxo-3-(3-oxobut-1-en-1-yl)-4H-chromene-5-carboxylate

5,6-dehydropolivione

香草醛

tert-butyl 2-acetyl-3-((tert-butyldimethylsilyl)oxy)-5-hydroxy-6-(pivaloyloxy)benzoate

3-iodo-6,7-dimethoxy-4-oxo-4H-chromene-5-carboxylic acid methyl ester

methyl 6,7-dimethoxy-4-oxochromane-5-carboxylate

3-溴-4,5-二甲氧基苯酚

5,7-Diacetyl-6-(6,7-dimethoxy-5-methoxycarbonyl-4-oxo-4H-chromen-3-yl)-2,3-dimethoxy-9-oxo-9H-xanthene-1-carboxylic acid methyl ester

5-bromo-6,7-dimethoxyspiro[chromane-4,2'-[1,3]dioxolane]

tert-butyl 2-acetyl-3-((tert-butyldimethylsilyl)oxy)-5-(methoxymethoxy)-6-(pivaloyloxy)benzoate

3-溴-4,5-二甲氧基苯甲醛

5-bromo-6,7-dimethoxychroman-4-one

3-(3-bromo-4,5-dimethoxyphenoxy)propanenitrile

tert-butyl 3-(1-hydroxy-3-oxobut-1-en-1-yl)-7-(methoxymethoxy)-4-oxo-6-(pivaloyloxy)-4H-chromene-5-carboxylate