Source:http://linkedlifedata.com/resource/umls/id/C0038323
MSH: Steroids with a hydroxyl group at C-3 and most of the skeleton of cholestane. Additional carbon atoms may be present in the side chain. (IUPAC Steroid Nomenclature, 1987),CSP: steroids with long (8-10 carbon) aliphatic side chains at position 17 and at least one alcoholic hydroxyl group, usually at position 3; they have lipid-like solubility.