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PCE
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CPC Subgroup
C07D 205/02

not condensed with other rings

Full Title

Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom > not condensed with other rings

3 direct subcodes

Child Classifications

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  • C07D 205/04 having no double bonds between ring members or between ring members and non-ring members
  • C07D 205/10 having two double bonds between ring members or between ring members and non-ring members