Main > PIGMENT > DiketoPyrroloPyrrole+Quinacridone > Co.: CH. C > Patent > Claims Etc > Claim 1: Pigment Compn. Formulae: > ##STR8##; R1,R2,R3,R4=H Etc.

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##STR8##; R1,R2,R3,R4=H Etc.'s subsections
Wherein Pigments of Formulae (I) &

##STR8##; R1,R2,R3,R4=H Etc.'s products
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