1843-05-6 2-Benzoyl-5-(octyloxy)phenol 2-Hydroxy-4-(n-octoxy)benzophenone 2-Hydroxy-4-(n-octyloxy)benzophenone 2-Hydroxy-4-(octyloxy)benzophenone 2-Hydroxy-4-octoxybenzophenone 4-(Octyloxy)-2-hydroxybenzophenone 4-(n-Octyloxy)-2-hydroxybenzophenone 4-Octoxy-2-hydroxybenzophenone Benzon OO Benzophenone, 2-hydroxy-4-(octyloxy)- Benzophenone-12 Cyasorb UV 531 Methanone, [2-hydroxy-4-(octyloxy)phenyl]phenyl- NSC163400 Octabenzone Spectra-Sorb UV 531 UF 4 UV 1 UV 531