6-(2-(Hydroxy(oxido)amino)-4-(2.lambda.~5~-1,2-triazadienyl)anilino)-N-(1,2,3,10-tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)hexanamide AIDS-131017 AIDS131017 NSC618048