Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C07D 223/08

Oxygen atoms

Full Title

Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom > not condensed with other rings > with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms (halogen atoms C07D223/04) > Oxygen atoms

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open