5-Benzyl-6-hydroxy-3-methyl-1,4-dioxo-2-n-propyl-2,3,4,5- {tetrahydro-1H-pyrrolo[3,4-c]pyridine} 5-Benzyl-6-hydroxy-3-methyl-2-propyl-3,5-dihydro-1H-pyrrolo[3,4-c]pyridine-1,4(2H)-dione AIDS-139759 AIDS139759 NSC649765