(3S,5R,10R,13S,14S)-17-((S)-1,5-Dimethyl-hex-4-enyl)-4,4,10,13,14-pentamethyl-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol AIDS-075040 AIDS075040 Delta7-Tirucallol Tirucalla-7,24-dien-3 beta-ol