having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel

Full Title

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having oxygen as the only ring hetero atom, e.g. fungichromin > having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel

Child Classifications

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• A61K 31/36 Compounds containing methylenedioxyphenyl groups, e.g. sesamin