Synonyms: 1H-Cyclopenta[a]chrysene,eicosahydro-3a,5a,5b,8,8,11a-hexamethyl-1-(1-methylethyl)-, [1S-(1a,3ab,5aa,5bb,7aa,11ab,11ba)]-; [1S-(1a,3ab,5aa,5bb,7aa,11ab,11ba)]-Eicosahydro-3a,5a,5b,8,8,11a-hexamethyl-1-(1-methylethyl)-1H-cyclopenta[a]chrysene