(4R)-(-)-Anthelvencin A (4R)-Anthelvencin AIDS-004735 AIDS004735 NSC624529 {4-[((5R)-2-amino(1-pyrrolin-5-yl))carbonylamino]pyrrol-2-yl}-N-{5-[N-(2-amidinoethyl)carbamoyl]-1-methylpyrrol-3-yl}carboxamide