(4aR,5S,7aR,10S)-4a,5,6,7,10-Pentamethyl-2-phenyl-4a,5-dihydro-1H-5,7a-methanocyclopenta[3,4]pyrazolo[1,2-a][1,2,4]triazole -1,3-dione 68813-32-1 AIDS-129244 AIDS129244 NSC338958