1,3-Benzodioxan-2-carboxylic acid, 4-methyl-4-phenyl-, (Z)- 4H-1,3-Benzodioxin-2-carboxylic acid, 4-methyl-4-phenyl-, cis- 86616-94-6 Acide (methyl-4 phenyl-4 (4H) benzodioxine (1,3)) carboxylique-2 cis [French] cis-4-Methyl-4-phenyl-1,3-benzodioxan-2-carboxylic acid