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PCE
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CPC Subgroup
C09B 11/04

derived from triarylmethanes

Full Title

Diaryl- or thriarylmethane dyes > derived from triarylmethanes

3 direct subcodes

Child Classifications

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  • C09B 11/26 Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic