[(1R)-1-[[4-(4-methoxyphenyl)phenyl]sulfonylamino]-2-methylpropyl]phosphonic acid [(1R)-1-[[4-(4-methoxyphenyl)phenyl]sulfonylamino]-2-methyl-propyl]phosphonic acid (1R)-1-{[(4'-METHOXY-1,1'-BIPHENYL-4-YL)SULFONYL]AMINO}-2-METHYLPROPYLPHOSPHONIC ACID FIN