FI (list display)

  • C07D255/00
  • Heterocyclic compounds containing rings having three nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D 249/00-C07D 253/00 [2] HB CC 4C070
  • C07D255/02
  • .not condensed with other rings [2] HB CC 4C070
  • C07D255/04
  • .condensed with carbocyclic rings or ring systems [2] HB CC 4C070
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