(1R,3aS,4S,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-Isopropenyl-3a,5a,5b,8,8,11a-hexamethyl-eicosahydro-cyclopenta[a]chrysene-4,9-diol 10070-48-1 AIDS-030565 AIDS030565 Calenduladiol Lup-20(29)-ene-3,16-diol, (3.beta.,16.beta.) NSC92227