Chemical Formula: C27H42ClNO3

(2R,3S,3R,3aS,4aS,6S,6aR,6bS,7aR,11aS,11bR)-1,2,3,3a,4,4,4a,5,6,6a,6b,7,7,7a,8,11,11a,11b-octadecahydro-3-hydroxy-3,6,10,11b-tetramethyl-spiro[9H-benzo[a]fluorene-9,2(3H)-furo[3,2-b]pyridin]-5(6H)-one, monohydrochloride