Synonyms: Biscyclopenta[5,6]naphtho[2,1-a:1',2'-k]xanthen-8(8aH)-one,3,14-bis(4-ethyl-1,5-dimethylhexyl)-1,2,3,3a,4,5,5a,5b,6,7,10,11,11a,11b,12,13,13a,14,15,16,17,18,18a,19,20,21-hexacosahydro-3a,5b,8a,11a,13a-pentamethyl-,[3R-[3a(1R*,4S*),3aa,5ab,5ba,8ab,11ab,11ba,13ab,14b(1R*,4S*),18aa,19aR*]]-; Bistheonellasterone