2-{[3-({3-[({[3-({[5-({[2,4-Bis(Phosphonomethyl)phenyl]amino}carbonyl)-2-methylphenyl]amino}carbonyl)phenyl]amino}carbonyl)amino]benzoyl}amino)-4-methylbenzoyl]amino}-5-(phosphonomethyl)benzylphosphonic acid AIDS-158960 AIDS158960 NSC683282 (SODIUM SALT)