1 FIN (1r)-1-{[(4'-methoxy-1,1'-biphenyl-4-yl)sulfonyl]amino}-2-methylpropylphosphonic acid 1.000 2 EIN (1s)-1-{[(4'-methoxy-1,1'-biphenyl-4-yl)sulfonyl]amino}-2-methylpropylphosphonic acid 1.000 3 QZK {[(biphenyl-4-ylsulfonyl)amino]methanediyl}bis(phosphonic acid) 0.700