3-(Aminosulfonyl)-4-benzoyl-5-(3-thienylmethoxy)benzoic acid 4-Benzoyl-5-sulfamoyl-3-(3-thenyloxy)benzoic acid 54591-38-7 BSTBA Benzoic acid, 3-(aminosulfonyl)-4-benzoyl-5-(3-thienylmethoxy)-