Synonyms: 3,4-Secospirosolane;Spiro[8H-benz[4,5]indeno[2,1-b]furan-8,2'-piperidine],tetradecahydro-3,4,5',6a,7-pentamethyl-4-propyl-,(4S,4aS,6aS,6bR,7S,9aS,10aS,10bR)-[partial]-; [4S-(4a,4aa,6ab,6ba,7a,9aa,10aa,10bb)]-Tetradecahydro-3,4,5',6a,7-pentamethyl-4-propylspiro[8H-benz[4,5]indeno[2,1-b]furan-8,2'-piperidine]