1,3-Benzodioxan-2-carboxylic acid, 6-chloro-4-methyl-4-phenyl-, (E)- 4H-1,3-Benzodioxin-2-carboxylic acid, 6-chloro-4-methyl-4-phenyl-, trans- 74271-49-1 Acide (chloro-6 methyl-4 phenyl-4 (4H) benzodioxine (1,3)) carboxylique-2 trans [French] RU 24728 trans-6-Chloro-4-methyl-4-phenyl-1,3-benzodioxan-2-carboxylic acid