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  • C07D227/00
    		•  Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D 203/00-C07D 225/00 [2]
    		HB CC 4C034
  • C07D227/02
    		•  .with only hydrogen or carbon atoms directly attached to the ring nitrogen atom [2] HB CC 4C034
  • C07D227/04
    		•  ..with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms [2] HB CC 4C034
  • C07D227/06
    		•  ..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 [2] HB CC 4C034
  • C07D227/08
    		•  ...Oxygen atoms [2] HB CC 4C034
  • C07D227/087
    		•  ....One doubly-bound oxygen atom in position 2, e.g. lactams [3] HB CC 4C034
  • C07D227/093
    		•  ....Two doubly-bound oxygen atoms attached to the carbon atoms adjacent to the ring nitrogen atom, e.g. dicarboxylic acid imides [3] HB CC 4C034
  • C07D227/10
    		•  ...Nitrogen atoms not forming part of a nitro radical [2] HB CC 4C034
  • C07D227/12
    		•  .with hetero atoms directly attached to the ring nitrogen atom [2] HB CC 4C034
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