[EN] COMPOUND HAVING BISAZO SKELETON, PIGMENT DISPERSANT CONTAINING THE COMPOUND, PIGMENT COMPOSITION, PIGMENT DISPERSION, INK AND RESIST COMPOSITION FOR COLOR FILTER [FR] COMPOSÉ AYANT UN SQUELETTE BISAZO, DISPERSANT DE PIGMENT CONTENANT LE COMPOSÉ, COMPOSITION DE PIGMENT, DISPERSION DE PIGMENT, ENCRE ET COMPOSITION DE RÉSERVE POUR UN FILTRE COLORÉ