Name: 7,7-[VINYLENEBIS[(3-SULFO-4,1-PHENYLENE)IMINO(6-CHLORO-1,3,5-TRIAZINE-4,2-DIYL)IMINO[2-[(AMINOCARBONYL)AMINO]-4,1-PHENYLENE]AZO]]BISNAPHTHALENE-1,3,6-