1,3-Benzodioxan-2-carboxylic acid, 6-methoxy-4-methyl-4-phenyl-, methyl ester, (E)- 4H-1,3-Benzodioxin-2-carboxylic acid, 6-methoxy-4-methyl-4-phenyl-, methyl ester, trans- 86617-11-0 BRN 5109977 trans-6-Methoxy-4-methyl-4-phenyl-1,3-benzodioxan-2-carboxylic acid methyl ester