Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
Inventor
active
Epindolidione pigments
Pigments and use thereof
Pigments of the quinacridonequinone series, process for their pr
Pigments of the quinacridonequinone series, processes for their
Process for the preparation of 2-(arylamino)-3-carboxy-9(10H)-ac
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