Source:http://linkedlifedata.com/resource/umls/id/C0054560
NCI: Phytosterol with a methyl group at the 24th carbon.,NCI: A steroid derivative that is the simplest sterol, characterized by the hydroxyl group in position C-3 of the steroid skeleton, and saturated bonds throughout the sterol structure, with the exception of the 5-6 double bond in the B ring.