异硫氰酸正丙酯, 1-Propyl isothiocyanate

正丙基硫脲, N-(n-Propyl)thiourea

PTFE 棒, PTFE rod

吡嗪-2-硫代酰胺, Pyrazine-2-thiocarboxamide

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

氢溴化吡啶, Pyridine Hydrobromide

吡啶-4-硼酸盐酸盐, Pyridine-4-boronic acid hydrochloride

吡啶-2,3-二甲酸, Pyridine-2,3-dicarboxylic acid

吡啶-3-磺酸, Pyridine-3-sulfonic Acid

吡哆辛盐酸盐, Pyridoxine Hydrochloride