PTFE rod

吡啶-4-甲醛, Pyridine-4-carboxaldehyde

吡啶-2,3-二甲酸, Pyridine-2,3-dicarboxylic acid

吡啶-2-甲醇, 2-Pyridinemethanol

氯铬酸吡啶鎓, Pyridinium Chlorochromate

吡多醛-5-磷酸酯, Pyridoxal-5-phosphate hydrate

4-(2-吡啶偶氮)间苯二酚, 4-(2-Pyridylazo)resorcinol

2-(3-吡啶基)苯并咪唑, 2-(3-Pyridyl)benzimidazole

3-吡啶氧基乙酸, 3-Pyridyloxyacetic acid

5-(2-吡啶基)-1H-四唑, 5-(2-Pyridyl)-1H-tetrazole

嘧啶-5-硼酸半水化合物, Pyrimidine-5-boronic acid hemihydrate