CPC Subgroup
C08K 5/34 Heterocyclic compounds having nitrogen in the ring
Full Title
Use of organic ingredients > Nitrogen-containing compounds > Heterocyclic compounds having nitrogen in the ring
4 direct subcodes
Child Classifications
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- C08K 5/3412 having one nitrogen atom in the ring
- C08K 5/3442 having two nitrogen atoms in the ring
- C08K 5/3467 having more than two nitrogen atoms in the ring
- C08K 5/35 having also oxygen in the ring