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Tri- and tetrasubstituted pentarylenetetracarboximides
Tri- and tetrasubstituted pentarylenetetracarboximides
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机译:三和四取代的戊烯基四甲酰亚胺
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摘要
The present invention relates to pentarylenetetracarboximides of the formula (I) or (Ia) or mixtures thereof; to processes for preparation thereof, and to the precursors and use thereof.
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