4(1H)-Pyrimidinone

吡咯-3-甲醛, Pyrrole-3-carboxaldehyde

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

丙酮酸, Pyruvic Acid

8-喹啉硼酸频哪醇酯, Quinoline-8-boronic acid pinacol ester

喹喔啉-2-羧酸, Quinoxaline-2-carboxylic acid

氯化铼(V), Rhenium(V) chloride

铑,1%负载于氧化铝粉, Rhodium,1% on alumina powder

氯化铑(III)水合物, Rhodium(III) chloride hydrate

核黄素-5'-磷酸钠二水合物, Riboflavin-5'-phosphate sodium salt dihydrate

氯化铷, Rubidium Chloride