137460-59-4 2-Trifluoromethyl-3-phenoxy-7-hydroxychromone 4H-1-Benzopyran-4-one, 7-hydroxy-3-phenoxy-2-(trifluoromethyl)- 7-Hydroxy-3-phenoxy-2-(trifluoromethyl)-4H-1-benzopyran-4-one BRN 5354813