3-Epicrinamine 466-75-1 4abeta,5alpha,11balpha-Crinan-12-ol, 1,2-didehydro-3beta-methoxy-, (12R)- (8CI) Crinan-11-ol, 1,2-didehydro-3-methoxy-, (3beta,5alpha,11R,13beta,19alpha)- (9CI) Haemanthamin Haemanthamine Hemanthamine NSC 403140 Natalensin Natalensine