Synonyms: 2-Oxalanostane;Cyclopenta[5,6]naphtho[1,2-c]pyran,7-(1,5-dimethylhexyl)hexadecahydro-1,1,4a,6a,9a-pentamethyl-, [4aR-[4aa,4bb,6aa,7a(R*),9ab,9ba,11ab]]-; [4aR-[4aa,4bb,6aa,7a(R*),9ab,9ba,11ab]]-7-(1,5-Dimethylhexyl)hexadecahydro-1,1,4a,6a,9a-pentamethylcyclopenta[5,6]naphtho[1,2-c]pyran