((1R,2R)-2-{N-[5-(N-{5-[N-(2-amidinoethyl)carbamoyl]-1-methylpyrrol-3-yl}carbamoyl)-1-methylpyrrol-3-yl]carbamoyl}cyclobutyl)-N-[5-(N-{5-[N-(2-amidinoethyl)carbamoyl]-1-methylpyrrol-3-yl}carbamoyl)-1-methylpyrrol-3-yl]carboxamide 1,2-Cyclobutanedicarboxamide, N,N'-bis[5-[[[5-[[(3-amino-3-iminopropyl)amino]carbonyl]-1-methyl-1H-pyrrol-3-yl]amino]carbonyl]-1-methyl-1H-pyrrol-3-yl]-, (1R,2R)- AIDS-004747 AIDS004747 NSC634560