喹啉-3-硼酸, Quinoline-3-boronic acid

喹啉-5-甲醛, Quinoline-5-carboxaldehyde

6-喹喔啉羧酸, Quinoxaline-6-carboxylic acid

视黄酸, Retinoic Acid

氧化铼(VII), Rhenium(VII) oxide

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

乙酸铑(II)二聚物, Rhodium(II) acetate

辛酸铑(II)二聚物, Rhodium(II) Octanoate Dimer

核黄素, Riboflavin

碳酸铷, Rubidium carbonate

碘化铷, Rubidium iodide

红荧烯, Rubrene

溴化钌(III), Ruthenium(III) bromide

亚硝酰氯化钌(III)水合物, Ruthenium(III) nitrosylchloride hydrate

无水氧化钌(IV), Ruthenium(IV) oxide