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

Full Title

Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms > not condensed with other rings > 1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles > 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

Child Classifications

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• C07D 249/12 Oxygen or sulfur atoms
• C07D 249/14 Nitrogen atoms