SEARCH Articles Figures Tables 1 -Phenyl-1 -hydroxy-3-methyl urea 1- Butanone, 3-hydroxy-3-methyl-1-phenyl 2- (2’-hydroxy-5 -methyl phenyl benzotriazole 2- Hydroxy-3- 4-[ phenyl 3- Hydroxy-5-methyl-2-phenyl-4 methanone Hydroxy methyl phenyl ketone L-Hydroxy-4-methyl-2-phenyl Methyl -2-hydroxy-4-phenyl butyrate