Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A61K 31/337

having four-membered rings, e.g. taxol

Introduced: January 2000

Full Title

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having oxygen as the only ring hetero atom, e.g. fungichromin > having four-membered rings, e.g. taxol

No child classifications to compare. This is a leaf node in both IPC and CPC.