1,3-Benzodioxan-2-carboxylic acid, 6-chloro-4,4-diphenyl- 4H-1,3-Benzodioxin-2-carboxylic acid, 6-chloro-4,4-diphenyl- 6-Chloro-4,4-diphenyl-1,3-benzodioxan-2-carboxylic acid 71980-71-7 BRN 5127202