Synonyms: 2-Oxa-4,7,12-triazatridecan-13-oicacid,9-hydroxy-5-(1-methylethyl)-3,6-dioxo-8,11-bis(phenylmethyl)-1-(2-pyridinyl)-,3-pyridinylmethyl ester, (5S,8S,9S,11S)- (9CI);2-Oxa-4,7,12-triazatridecan-13-oic acid,9-hydroxy-5-(1-methylethyl)-3,6-dioxo-8,11-bis(phenylmethyl)-1-(2-pyridinyl)-,3-pyridinylmethyl ester, [5S-(5R*,8R*,9R*,11R*)]-; A 80987; Ro 32-2175