DIFF Subgroup
C07D 239/24 having three or more double bonds between ring members or between ring members and non-ring members
Introduced: July 1974
Full Title
Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings > not condensed with other rings > having three or more double bonds between ring members or between ring members and non-ring members
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C07D 239/26 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms since 1974 IPC+CPC Available in IPC and CPC
- C07D 239/28 with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms since 1974 IPC+CPC Available in IPC and CPC