吡哆辛盐酸盐, Pyridoxine Hydrochloride

4-(2-吡啶基)苯甲醛, 4-(2-Pyridyl)benzaldehyde

4-(2-吡啶)-2-甲基-3-丁基-2-醇, 4-(2-Pyridyl)-2-methyl-3-butyn-2-ol

5-(2-吡啶基)-1H-四唑, 5-(2-Pyridyl)-1H-tetrazole

嘧啶-5-甲醛, Pyrimidine-5-carboxaldehyde

焦棓酸, Pyrogallol

吡咯-3-羧酸, Pyrrole-3-carboxylic Acid

4-(1-吡咯烷基羰基)苯硼酸, 4-(1-Pyrrolidinylcarbonyl)benzeneboronic acid

1-(2-羰基苯)吡咯, 2-(1-Pyrrolyl)benzoic acid

D-(-)-奎尼酸, D-(-)-Quinic Acid

喹啉-5-甲醛, Quinoline-5-carboxaldehyde

奎宁环, Quinuclidine

氧化铼(VI), Rhenium(VI) oxide

罗丹宁-3-乙酸, Rhodanine-3-acetic Acid

溴化铑(III)水合物, Rhodium(III) bromide hydrate