AIDS-004754 AIDS004754 N-(5-{N-[5-(N-{5-[N-(2-amidinoethyl)carbamoyl]-1-methylpyrrol-3-yl}carbamoyl)-1-methylpyrrol-3-yl]carbamoyl}-1-methylpyrrol-3-yl){4-[N-(5-{N-[5-(N-{5-[N-(2-amidinoethyl)carbamoyl]-1-methylpyrrol-3-yl}carbamoyl)-1-methylpyrrol-3-yl]carbamoyl}-1-methylpyrrol-3-yl)carbamoyl]phenyl}carboxamide NSC643399 Terephthaloyl distamycin