131-54-4 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone 4,4'-Dimethoxy-2,2'-dihydroxybenzophenone Benzophenone, 2,2'-dihydroxy-4,4'-dimethoxy- Benzophenone-6 Cyasorb UV 12 Methanone, bis(2-hydroxy-4-methoxyphenyl)- NSC40149 Uvinul D 49