Definition: Tetracyclic spiro-BENZAZEPINES isolated from the seeds of CEPHALOTAXUS. They are esters of the alkaloid cephalotaxine and may be effective as antineoplastic agents.
Other names Cephalotaxus Alkaloids; Cephalotaxine Alkaloids; Alkaloids, Cephalotaxus; Alkaloids, Cephalotaxine
homoharringtonine [ Ceflatonin,homoharringtonine, 3H-labeled, (3(R))-isomer,omacetaxine mepesuccinate ] alkaloid from Cephalotaxus harringtonia; RN given refers to (3(R))-isomer; FDA approved orphan drug status for Ceflatonin in the treatment of chronic myeloid leukemia due to being an inducer of apopto