121822-36-4

(2S,5S,10S,13S,16S)-16-{[(2S)-2-(acetylamino)-3-hydroxypropanoyl]amino}-13-(2-amino-2-oxoethyl)-10-benzyl-9-hydroxy-4,7,12,15-tetraoxo-2,5-di(propan-2-yl)-3,6,11,14-tetraazanonadecane-1,19-diamide (non-preferred name)