分子式:C3H3N2NaO
2,6-二羟基-3-氰基-4-甲基吡啶 5-乙酰基-6-甲基-2-氧代-1,2-二羟基吡啶-3-甲腈 4-methyl-6-(4-methylphenyl)-2-oxo-1H-pyridine-3-carbonitrile