1 902 {[5-(3-{[1-(benzylsulfonyl)piperidin-4-yl]amino}phenyl)-4-bromo-2-(2h-tetrazol-5-yl)-3-thienyl]oxy}acetic acid 1.000 2 527 5-(3-{[1-(benzylsulfonyl)piperidin-4-yl]amino}phenyl)-4-bromo-3-(carboxymethoxy)thiophene-2-carboxylic acid 0.810