preferred_name: (S)-2-ISOBUTYRYLAMINO-PENTANEDIOIC ACID 5-AMIDE 1-{[(2S,5S,8S,11R,12S,15S,18S,21R)-2,8-BIS-((S)-SEC-BUTYL)-21-HYDROXY-5-(4-HYDROXY-BENZYL)-15-ISOBUTYL-4,11-DIMETHYL-3,6,9,13,16,22-HEXAOXO-10-OXA-1,4,7,14,17-PENTAAZA-BICYCLO[16.3.1]DOCOS-12-YL]-AMIDE