Seesorb 106, uvinuld-50, 70A-196, 2,2',4,4'-tetrahyroxybenzophenone, BENZOPHENONE-2, Uvinol D-50, 2,2',4,4'-tetrahydroxy-benzophenone, Bis(2,4-dihydroxyphenyl)methanone, 2,4,2',4'-tetrahydroxybenzophenone, Sumisorb 150, Methanone, bis(2,4-dihydroxyphenyl)-, 2,2',4,4'-Tetrahydroxybenzophe, TETRAHYDROXYBENZOPHENONE