3-(1,5-Dimethylhexyl)-3a,5b-dimethyl-2,3,3a,4,5,5a,5b,6,7,10,10a,11,11a,11b-tetradecahydro-1H-cyclopenta[a]cyclopropa[k]phenanthren-11-ol AIDS-133084 AIDS133084 NSC628264