6-(1,3-Dioxoprop-2-yl)nicotinic acid

2-(5-Carboxypyridin-2-yl)malondialdehyde

2-(3-Hydroxycarbonyl-6-pyridyl)malondialdehyde,95%

2-(5-Carboxypyridin-2-yl)malonaldehyde, 6-(1,3-Dioxoprop-2-yl)pyridine-3-carboxylic acid