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PCE
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DIFF Subgroup
C09B 43/14

with phosgene or thiophosgene

Introduced: September 1968

Full Title

Preparation of azo dyes from other azo compounds > by acylation of amino groups > with polyfunctional acylating agents > with phosgene or thiophosgene

No child classifications to compare. This is a leaf node in both IPC and CPC.