2-((4-((1-(3-(4-Methoxyanilino)-3-oxopropanoyl)-5-oxo-3-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)phenyl)sulfonyl)ethyl hydrogen sulfate AIDS-147351 AIDS147351 NSC676919 {1-[m-Anisidic} anilino {malonyl]-3-phenyl-4-[4'-(.beta.-sulphato} ethyl sulphonyl)phenyl azo\]-5-pyrazolone