(-)-Isopinocampheylamine analog AIDS-166993 AIDS166993 N-(3,3-Diphenylpropyl-N'-(1R,2R,3R,5S)-(-)-isopinocampheylethane-1,2-diamine N-(3,3-diphenylpropyl)-N'-[(1R,2R,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-3-yl]ethane-1,2-diamine