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 1,4-diazine or hydrogenated 1,4-diazine rings > not condensed with other rings > having three double bonds between ring members or between ring members and non-ring members > 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 241/16 Halogen atoms; Nitro radicals
• C07D 241/18 Oxygen or sulfur atoms
• C07D 241/20 Nitrogen atoms (nitro radicals C07D241/16)
• C07D 241/24 Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals