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PCE
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CPC Subgroup
C09B 11/14

Preparation from aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines

Full Title

Diaryl- or thriarylmethane dyes > derived from triarylmethanes > Amino derivatives of triarylmethanes > without any OH group bound to an aryl nucleus > Preparation from aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines