【化】 吡啶二羧酸

pyridine

3-cloro pyridine

phenylazo-diamine-pyridine hydrochloride

Ranson's pyridine silver stain

pyridine alkaloid

Pyridine-4-Carboxaldehyde

quinolinic acid; pyridine-2,3-dicarboxylic acid

2,3-Lutidine/2,3-Dimethyl Pyridine