| 英文同义词: | 1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile;1-butyl-5-[(4-chlorophenyl) azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-Pyridinecarbonitrile;1-Butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarbonitrile;1-Butyl-5-(4-chlorophenylazo)-3-cyano-6-hydroxy-4-methyl-2(1H)-pyridone;DLTLEIUQPDJNQM-QZQOTICOSA-N;3-Pyridinecarbonitrile, 1-butyl-5-[2-(4-chlorophenyl)diazenyl]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo- |