PTFE rod

吡嗪-2-硫代酰胺, Pyrazine-2-thiocarboxamide

吡唑并[1,5-a]吡啶, Pyrazolo[1,5-a]pyridine

1-芘甲醛, 1-Pyrenecarboxaldehyde

4-吡啶乙酸.盐酸盐, 4-Pyridineacetic Acid Hydrochloride

吡啶-2-甲醛, Pyridine-2-carboxaldehyde

吡啶-2,6-二羧酸, Pyridine-2,6-dicarboxylic acid

N-氧化吡啶, Pyridine N-Oxide

吡啶并[2,3-b]吡嗪, Pyrido[2,3-b]pyrazine

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

2-(3-吡啶基)苯并咪唑-6-羧酸, 2-(3-Pyridyl)benzimidazole-6-carboxylic acid

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

嘧啶, Pyrimidine

4(3H)-嘧啶酮, 4(3H)-Pyrimidinone

吡咯-2-甲醛, Pyrrole-2-carboxaldehyde