having an oxygen atom of the saccharide radical directly bound through only acyclic carbon atoms to a non-saccharide heterocyclic ring, e.g. bleomycin, phleomycin

Full Title

Preparation of compounds containing saccharide radicals (ketoaldonic acids C12P7/58) > Preparation of O-glycosides, e.g. glucosides > having an oxygen atom of the saccharide radical directly bound through only acyclic carbon atoms to a non-saccharide heterocyclic ring, e.g. bleomycin, phleomycin