a mixture of oligomers of 3,5-bis(3-aminomethylphenyl)-1-poly(3,5-bis(3-aminomethylphenyl)-2,4,6-trioxo-1,3,5-(1H,3H,5H)-triazin-1-yl)-1,3,5-(1H,3H,5H)-triazine-2,4,6-trione
A 54556A; Nα-[(2E,4E,6E)-2,4,6-Octatrienoyl]-N-[(2R,6S,9S,11aS,17S,20aS)-2,6,9,10-tetramethyl-5,8,11,16,20-pentaoxohexadecahydro-1H,5H,16H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13]oxatetraazacyclohexadecin-17-yl]-L-phenylalaninamide