重氮甲烷 、 alkaline earth salt of/the/ methylsulfuric acid 生成 (2R,3S,2'R,3'S)-2,2'-Bis-(3,4-dimethoxy-phenyl)-7,8,5',7'-tetramethoxy-3,4,3',4'-tetrahydro-2H,2'H-[5,8']bichromenyl-3,3'-diol 、
(2R,3S,2'R,3'S)-2,2'-Bis-(3,4-dimethoxy-phenyl)-7,8,5'-trimethoxy-3,4,3',4'-tetrahydro-2H,2'H-[5,8']bichromenyl-3,3',7'-triol