AIDS-166977 AIDS166977 N-(-)-cis-Myrtanyl-N'-(3,3-diphenylpropyl)ethane-1,2-diamine N-{[(1S,2R, 5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-yl]methyl}-N'-(3,3-diphenylpropyl)ethane-1,2-diamine cis-(-)-Myrtanylamine analog