PTFE rod

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

3-(3-吡啶基)苯硼酸，98％, 3-(3-Pyridyl)benzeneboronic acid

1-(4-吡啶)哌嗪, 1-(4-Pyridyl)piperazine

嘧啶, Pyrimidine

黄铁矿, Pyrite