Synonyms: 1'H-5a-Cholest-2-eno[3,2-b]indole,1'-methyl- (8CI); Cyclopenta[5,6]naphtho[2,1-b]carbazole, 1b-(1,5-dimethylhexyl)-1,2,3,3aa,3bb,4,5,5aa,6,7,12,12a,12ba,13,14,14a-hexadecahydro-7,12ab,14ab-trimethyl- (7CI);Cyclopenta[5,6]naphtho[2,1-b]carbazole, 1'H-cholest-2-eno[3,2-b]indole deriv.;1'-Methylindolo[b-3,2]-5a-cholest-2-ene; N-Methylindolo[3,2-b]-5a-cholest-2-ene; NSC 61709