2,2'4,4'-TETRAHYDROXYBENZOPHENONE AND 2,2'-DIHYDROXY-4,4'-DIMETHOXYBENZOPHENONE
BIS(2,4-DIHYDROXYPHENYL)METHANONE AND BIS(2-HYDROXY-4-METHOXYPHENYL)METHANONE;2,2'4,4'-TETRAHYDROXYBENZOPHENONE AND 2,2'-DIHYDROXY-4,4'-DIMETHOXYBENZOPHENONE;BENZOPHENONE-11