Vinflunine is an organic heteropentacyclic compound and an organic heterotetracyclic compound that is vinorelbine in which the tetrahydropyridine moiety of the heterotetracyclic part of the molecule has been redced to the corresponding piperidine, and in which the ethyl group attached to this ring has been replaced by a 1,1-difluoroethyl group. It has a role as an antineoplastic agent. It is an organic heteropentacyclic compound, an organic heterotetracyclic compound, a semisynthetic derivative, a methyl ester, an acetate ester and a vinca alkaloid. It is functionally related to a vinorelbine.