AIDS-136896 AIDS136896 NSC640080 Propanenitrile, 3,3'-[[4-[(Z)-[2-(2-chloro-5-nitrophenyl)-1,5-dihydro-1-(4-methoxyphenyl)-5-oxo-4H-imidazol-4-ylidene]methyl]-3-methylphenyl]imino]bis-