1-Azabicyclo[2.2.2]oct-3-yl hydroxy(4-((3-methyl-1-piperidinyl)diazenyl)phenyl)phenylacetate AIDS-160770 AIDS160770 NSC646937 NSC646938 {(R)-(-)-1-Azabicyclo[2.2.2]oct-3-yl-(R)-(+)-.alpha.-hydrox} {y-.alpha.-[4-[2-(3-methylpiperidin-1-yl)-1,} 2-diazaethylen-1-yl\]phenyl\]-.alpha.-phenyl acetate, (R*,R*) {(R)-(-)-1-Azabicyclo[2.2.2]oct-3-yl-(S)-(-)-.alpha.-hydroxy} {1-.alpha.-[4-[2-(3-methylpiperidin-1-yl)-1,} 2-diazaethylen-1-yl\]phenyl\]-.alpha.-phenyl acetate (R*,S*)