1-{2-[(2E)-2-(5-(4-Hydroxy-2-oxo-2H-chromen-3-yl)-1-{[(6-nitro-1,3-benzothiazol-2-yl)amino]carbonyl}-3-oxo-5-phenylpentylidene)hydrazino]-2-oxoethyl}pyridinium chloride AIDS-016011 AIDS016011 NSC647115