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

1-(4-吡啶基)-乙基胺, 1-(4-Pyridyl)ethylamine

3-(3-吡啶基)丙酸, 3-(3-Pyridyl)propionic Acid

N-(2-吡啶基)硫脲, N-(2-Pyridyl)thiourea

嘧啶-5-羧酸, Pyrimidine-5-carboxylic Acid

焦棓酸, Pyrogallol

吡咯-3-甲醛, Pyrrole-3-carboxaldehyde

(R)-(+)-2-吡咯烷酮-5-羧酸, (R)-(+)-2-Pyrrolidinone-5-carboxylic acid

2-吡咯烷基吡啶, 2-(2-Pyrrolidinyl)pyridine

3-(1-吡咯基)安息香酸, 3-(1-Pyrrolyl)benzoic acid