PRD_002303 prd_002303 [(3-{(3S,6S,9S,15R,20aS)-15-[(N-acetyl-L-phenylalanyl)amino]-3-(cyclohexylmethyl)-6-[(1H-indol-3-yl)methyl]-1,4,7,10,16-pentaoxoicosahydropyrrolo[1,2-a][1,4,7,10,13]pentaazacyclooctadecin-9-yl}propyl)amino](amino)methaniminium PRD_002303