正丙基三乙氧基硅烷, n-Propyltriethoxysilane

PTFE 片, PTFE sheet

吡嗪, Pyrazine

吡嗪-2-硫代酰胺, Pyrazine-2-thiocarboxamide

1H-吡唑-4-甲酸, 1H-Pyrazole-4-carboxylic acid

2-(1H-吡唑-3-基)吡啶, 2-(1H-Pyrazol-3-yl)pyridine

哒嗪-4-羧酸, Pyridazine-4-carboxylic Acid

吡啶-2-乙腈, 2-Pyridineacetonitrile

吡啶-3-硼酸1,3-丙二醇酯, Pyridine-3-boronic acid 1,3-propanediol ester

吡啶-2,6-二甲酰氯, Pyridine-2,6-dicarbonyl dichloride