英文别名
5,7,5',7'-tetrakis-benzyloxy-2,2'-bis-(4-benzyloxy-phenyl)-[8,8']bichromenyl-4,4'-dione;5,5',7,7'-Tetrakis(benzyloxy)-2,2'-bis[4-(benzyloxy)phenyl]-4H,4'H-[8,8'-bi-1-benzopyran]-4,4'-dione;8-[4-oxo-5,7-bis(phenylmethoxy)-2-(4-phenylmethoxyphenyl)chromen-8-yl]-5,7-bis(phenylmethoxy)-2-(4-phenylmethoxyphenyl)chromen-4-one