119809-27-7

(4S,8S,9S,12S)-12-[2-(1-Naphtylmethyl)-3-(1-naphtyl)propionylamino]-3,6,11-trioxo-4,9-diisobutyl-8-hydroxy-1-phenyl-2,5,10,17-tetraazaoctadecane-18-oic acid benzyl ester