tert-butyl N-[4-[(2-methylpropan-2-yl)oxycarbonylamino]butyl]-N-[3-[[2-[[26,27,28-tris[2-[3-[(2-methylpropan-2-yl)oxycarbonyl-[4-[(2-methylpropan-2-yl)oxycarbonylamino]butyl]amino]propylamino]-2-oxoethoxy]-5,11,17,23-tetrakis(phenylmethoxymethyl)-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl]oxy]acetyl]amino]propyl]carbamate | 1050685-63-6