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PCE
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CPC Subgroup
C07D 239/32

One oxygen, sulfur or nitrogen atom

Full Title

Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings > not condensed with other rings > having three or more 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, directly attached to ring carbon atoms > One oxygen, sulfur or nitrogen atom

3 direct subcodes

Child Classifications

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