24-Methylenecholesterol 474-63-5 Chalinasterol Cholesterol, 24-methylene- Ergosta-5,24(28)-dien-3-ol, (3beta)- (9CI) Ergosta-5,24(28)-dien-3beta-ol Ergosta-5,24(28)-dien-3beta-ol (8CI) NSC 232664 Ostreasterol