131-53-3 2,2'-Dihydroxy-4-methoxybenzophenone Advastab 47 Benzophenone, 2,2'-dihydroxy-4-methoxy- Cyasorb UV 24 Cyasorb UV 24 Light Absorber Dioxybenzon Dioxybenzone Methanone, (2-hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)- NSC56769 Spectra-Sorb UV 24 UF 2 UV 24