Radical anion salts of derivatives of 1,4,5,8-naphthalene-tetracarboxylic acid, processes for their preparation and their use

摘要

The invention relates to crystalline, stable radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid of the formula <IMAGE> in which K, n, s, X, m, p, B, R and c have the meaning indicated in the description, processes for their preparation and their use as electrically conducting compounds.