500767-27-1

11-Oxa-2,6,9-triazatridecanoic acid,2-[(1S)-1-(aminocarbonyl)-3-methylbutyl]-4-hydroxy-12,12-dimethyl-8-(1-methylethyl)-7,10-dioxo-5-(phenylmethyl)-, phenylmethyl ester,(4S,5S,8S)-