3(R)-Deoxyharringtonine 36804-95-2 Cephalotaxine, 4-methyl-, 2-hydroxy-2-(3-methylbutyl)butanedioate (ester), (3(R))- Cephalotaxine, 4-methyl-2-hydroxy-2-(3-methylbutyl)butanedioate (ester), (3(R))- (9CI) Deoxyharringtonine Desoxyharringtonin NSC 142196