2,5-Pyridinedicarboxylic Acid

2,5-吡啶二羧酸

1-(4-Pyridyl)pyridinium Chloride Hydrochloride

1-(4-吡啶基)氯化吡啶鎓盐酸盐

3-Pyrroline (contains Pyrrolidine)

3-吡咯啉 (含吡咯烷)

Permanent Orange

永固橙

Pyrazolone Orange

颜料橙 13

Pentadecane

十五烷

Pyridazine

哒嗪

Phenylthiohydantoin-(N^ε-phenylthiocarbamyl)-lysine

苯基硫代乙内酰脲-(N^ε-苯基硫代氨基甲酰)-赖氨酸

Pyrazinamide

吡嗪酰胺

Vitamin K₁

维生素K₁