AIDS-137282 AIDS137282 N,N,1-Triisopropyl-4,4-dimethyl-3-((4-methylphenyl)thio)-1,2-azaphosphetidin-2-amine 2-oxide N,N-Diisopropyl-N-(1-isopropyl-4,4-dimethyl-3-((4-methylphenyl)thio)-2-oxido-1,2-azaphosphetidin-2-yl)amine NSC641177