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

SMILES: [H][C@@]12NC[C@@H](C)C[C@H]1O[C@]1(CC[C@]3([H])C(C(=O)[C@@]4([H])[C@@]3([H])CC=C3C[C@@H](O)CC[C@]43C)=C1C)[C@@H]2C |c:34,t:24|