has role PABA/NO A C-nitro compound that is benzene substituted by [4-(methylamino)benzoyl]oxy, nitro, nitro, and (3,3-dimethyl-2-oxido-2lambda(5)-triaz-1-en-1-yl)oxy groups at positions 1, 2, 4, and 5, respectively. It is an anti-cancer compound that is designed to release NO upon activation by glutathione. zwitterion antineoplastic agent C-nitro compound benzoate ester azoxy compound prodrug secondary amino compound apoptosis inducer triazene derivative