Synonyms: Spiro[5a-cholestane-3,2'-oxazolidin]-3'-yloxy,4',4'-dimethyl- (8CI); 3-Doxyl-5a-cholestane; 3-Doxylcholestane; 4',4'-Dimethylspiro(5a-cholestane-3,2'-oxazolidin)-3'-yloxy;4',4'-Dimethylspiro[5a-cholestane-3,2'-oxazolidin]-3'-yloxyl;4',4'-Dimethylspiro[cholestane-3,2'-(1',3'-oxazolidin-3'-oxyl)]; CSL; CSL(molecular probe); IK 1; IK 1 (steroid); Synvar 611