2-((2E)-2-{1-[(6-Chloro-3-hydroxyquinoxalin-2-yl)methyl]-2-[(2,6-diisopropylphenyl)amino]-2-oxoethylidene}hydrazino)-N,N,N-trimethyl-2-oxoethanaminium chloride AIDS-016005 AIDS016005 NSC647099