(6-benzoylpyridin-2-yl)-phenylmethanone

6-(diphenylcarbamoyl)pyridine-2-carboxylic acid

吡啶-2,6-二甲酸二酰肼

2-[[6-[(2-carboxyphenyl)carbamoyl]pyridine-2-carbonyl]amino]benzoic acid

2-(n-propoxycarbonyl)-pyridine-6-carboxylic acid