1H-Imidazole-2-carboxamide,N-[(3R)-3-amino-4-[[5-[[[5-[[[5-[[(2-azidoethyl)amino]carbonyl]-1-methyl-1H-pyrrol-3-yl]amino]carbonyl]-1-methyl-1H-pyrrol-3-yl]amino]carbonyl]-1-methyl-1H-pyrrol-3-yl]amino]-4-oxobutyl]-1-methyl-4-[[[1-methyl-4-[[(1-methyl-1H-i