吡唑并[1,5-a]吡啶, Pyrazolo[1,5-a]pyridine

哒嗪-3-羧酸, Pyridazine-3-carboxylic acid

吡啶-2-硼酸频哪醇, Pyridine-2-boronic acid

吡啶-2,6-二甲酰氯, Pyridine-2,6-dicarbonyl dichloride

4-吡啶甲醇, 4-Pyridinemethanol

吡哆醛盐酸盐, Pyridoxal Hydrochloride

4-(2-吡啶基)苯甲醛, 4-(2-Pyridyl)benzaldehyde

3-吡啶氧基乙酸, 3-Pyridyloxyacetic acid

N-(2-吡啶基)硫脲, N-(2-Pyridyl)thiourea

4(3H)-嘧啶酮, 4(3H)-Pyrimidinone