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An alkaloid, C46H56N4O10, originally obtained from the Madagascar periwinkle and used in its sulfate form to treat acute leukemia and a variety of other neoplasms.
(Pharmacology) a cytotoxic drug used in the treatment of leukaemia, derived as an alkaloid from the tropical shrub Madagascar periwinkle (Vinca rosea)
[C20: from New Latin vinca + Latin crista crest + -ine2]
an alkaloid, C46H56N4O10, derived from the periwinkle, Vinca rosea, used in treating certain cancers.