2-amino-5-[(2-chloro-6-cyano-4-nitrophenyl)azo]-6-[[3-(4-hydroxybutoxy)propyl]amino]-4-methylnicotinonitrile

2-Amino-5-[(2-chloro-6-cyano-4-nitrophenyl)azo]-6-[[3-(4-hydroxybutoxy)propyl]amino]-4-methyl-3-pyridinecarbonitrile