6-hydroxy-1-(3-isopropoxypropyl)-4-methyl-2-oxo-5-[4-(phenylazo)phenylazo]-1,2-dihydro-3-pyridinecarbonitrile
6-Hydroxy-1-(3-isopropoxypropyle)-4-méthyl-2-oxo-5-[4-(phénylazo)phénylazo]-1,2-dihydro-3-pyridinecarbonitrile