3-Pyridinecarbonitrile, 5-((4-((2,6-dichloro-4-nitrophenyl)azo)-2,5-dimethoxyphenyl)azo)-2,6-bis((2-methoxyethyl)amino)-4-methyl- 5-((4-((2,6-Dichloro-4-nitrophenyl)azo)-2,5-dimethoxyphenyl)azo)-2,6-bis((2-methoxyethyl)amino)-4-methylnicotinonitrile 73528-78-6 EINECS 277-528-5