Synonyms: | 3-Cyano-5-[4-[4-[4-(dibutylamino)-6-fluoro-1,3,5-triazin-2-yloxy]phenylazo]phenylazo]-6-hydroxy-1,4-dimethyl-2(1H)-pyridone;5-[4-[4-(4-Dibutylamino-6-fluoro-1,3,5-triazine-2-yloxy)phenylazo]phenylazo]-6-hydroxy-1,4-dimethyl-2-oxo-1,2-dihydro-3-pyridinecarbonitrile |