. "(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-icosahydro-1H-cyclopenta[a]chrysene-3a-carboxylic acid" . "1, BA" . . . .