2-(2-Methoxyethoxy)ethyl 4-((5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxopyridin-3-yl)azo)benzoate 4-((5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)azo)benzoic acid, (2-methoxyethoxy)ethyl ester 49744-26-5 Benzoic acid, 4-((5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)azo)-, 2-(2-methoxyethoxy)ethyl ester EINECS 256-457-3