Synonyms: 12,13-Seco-5a-spirost-13-en-12-al, 3b-hydroxy-, (25R)- (8CI);12,13-Secospirost-13-en-12-al, 3-hydroxy-, (3b,5a,25R)-; 1-Naphthaleneacetaldehyde,decahydro-6-hydroxy-8a-methyl-2-(3,3',3a,4',5',6,6',6a-octahydro-3,4,5'-trimethylspiro[2H-cyclopenta[b]furan-2,2'-[2H]pyran]-5-yl)-,[1S-[1a,2a[2S*(S*),3R*,3aS*,6aR*],4ab,6a,8aa]]-; Lumihecogenin