正丙基脲, n-Propylurea

PTFE 棒, PTFE rod

吡嗪-2-羧酸, Pyrazine-2-carboxylic acid

1H-吡唑-4-硼酸频哪醇酯, 1H-Pyrazole-4-boronic acid pinacol ester

吡唑[1,5-a]吡啶-7-甲醛, Pyrazolo[1,5-a]pyridine-7-carboxaldehyde

1-芘甲醛, 1-Pyrenecarboxaldehyde

吡啶-3-乙酰胺, 3-Pyridineacetamide

吡啶-3-硼酸, Pyridine-3-boronic acid

2-吡啶醛肟 甲氯, Pyridine-2-carboxaldoxime methochloride

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