[3-[(4-azido-1-methylbutyl)amino]propyl]carbamic acid, 1,1-dimethylethyl ester

(4-amino-1-methylbutyl)[3-[[(1,1-dimethylethoxy)carbonyl]amino]propyl]carbamic acid, 1,1-dimethylethyl ester

[3-[[(1,1-dimethylethoxy)carbonyl]amino]propyl][17-[[(1,1-dimethylethoxy)carbonyl]amino]-1,21,21-trimethyl-6,8,19-trioxo-20-oxa-5,9,16,18-tetraaza-17-docosen-1-yl]carbamic acid, 1,1-dimethylethyl ester