2-n-丙基庚酸, 2-n-Propylheptanoic acid

3-正-丙基-2-吡唑啉-5-酮, 3-n-Propyl-2-pyrazolin-5-one

PTFE 片, PTFE sheet

吡嗪-2-羧酸, Pyrazine-2-carboxylic acid

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