Synonyms: carbamic acid, N-[2-[[[(1S,2S,4S)-2-hydroxy-5-phenyl-1-(phenylmethyl)-4-[[2-[[(4-pyridinylmethoxy)carbonyl]amino]benzoyl]amino]pentyl]amino]carbonyl]phenyl]-, 4-pyridinylmethyl ester;pyridin-4-ylmethyl [2-({(2S,3S,5S)-3-hydroxy-1,6-diphenyl-5-[(2-{[(pyridin-4-ylmethoxy)carbonyl]amino}benzoyl)amino]hexan-2-yl}carbamoyl)phenyl]carbamate