别名:1-(2,2-dimethoxyethyl)-5-methoxy-6-methoxycarbonyl-4-oxopyridine-3-carboxylic acid, 1-(2,2-dimethoxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid
别名:1-(2,2-dimethoxyethyl)-5-methoxy-6-methoxycarbonyl-4-oxopyridine-3-carboxylic acid, 1-(2,2-dimethoxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid