919529-02-5

3,6,9,16-Tetraazaheptadecanoic acid,6-[2-[bis[2-(1,1-dimethylethoxy)-2-oxoethyl]amino]ethyl]-17-[4-[2-[2-[(2R)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-methyl-1-oxopentyl]hydrazinyl]-2-oxoethyl]phenyl]-3-[2-(1,1-dimethylethoxy)-2-oxoethyl]-8,15-dioxo-,1,