吡唑-3,5-二羧酸单水合物, 1H-Pyrazole-3,5-dicarboxylic acid monohydrate

哒嗪, Pyridazine

4-吡啶乙酰腈盐酸盐, 4-Pyridineacetonitrile hydrochloride

吡啶-2-碳氨肟, Pyridine-2-carboxamidoxime

吡啶-3-甲醇, 3-Pyridinemethanol

吡啶并[2,3-b]吡嗪, Pyrido[2,3-b]pyrazine

4-2-吡啶偶氮间苯二酚单钠盐, 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate

N-(4-吡啶甲基)乙胺, N-(4-Pyridylmethyl)ethylamine

2-(4-吡啶基)噻唑-4-羧酸, 2-(4-Pyridyl)thiazole-4-carboxylic acid

4(1H)-Pyrimidinone