abstract |
Compound selected from the group consisting of: 5,5'-methylenebis(2-acetoxybenzoic acid), 2-acetoxy-3-(4-acetoxy-3-carboxybenzyl)benzoic acid, 2-acetoxy-3-(3-acetoxy- 4-Carboxybenzyl)benzoic acid, 2-acetoxy-4-(4-acetoxy-3-carboxybenzyl)benzoic acid, 3,3'-methylenebis(2-acetoxybenzoic acid), 4,4'-methylene-bis(2-acetoxybenzoic acid ), and exit them. |