1H-吡唑, 1H-Pyrazole

1H-吡喃并-3,4-b]吡啶, 1H-Pyrazolo[3,4-b]pyridine

哒嗪, Pyridazine

吡啶-2-乙腈, 2-Pyridineacetonitrile

吡啶-4-甲醛, Pyridine-4-carboxaldehyde

吡啶-3,4-二羧酸, Pyridine-3,4-dicarboxylic acid

吡啶-3-磺酸, Pyridine-3-sulfonic Acid

吡哆醛盐酸盐, Pyridoxal Hydrochloride

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

1-(3-吡啶)乙胺, 1-(3-Pyridyl)ethylamine

4-(3-吡啶基)丙酸, 3-(4-Pyridyl)propionic acid

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

2-嘧啶基硫代尿素, 2-Pyrimidinylthiourea

吡咯-3-甲醛, Pyrrole-3-carboxaldehyde

4-(1-吡咯烷基)苯硼酸频哪醇酯, 4-(1-Pyrrolidinyl)benzeneboronic acid pinacol ester