喹啉-3-甲醛, Quinoline-3-carboxaldehyde

喹喔啉, Quinoxaline

活性蓝4, Reactive Blue 4

氧化铼(VII), Rhenium(VII) oxide

罗丹宁, Rhodanine

铑10%, 钯 1%负载于活性碳粉末, Rhodium 10%, Palladium 1% on activated carbon powder

无水氯化铑(III), Rhodium(III) chloride

玫瑰红酸二水合物, Rhodizonic acid dihydrate

乙酸铷, Rubidium acetate

氯化铷, Rubidium Chloride

硫酸铷, Rubidium sulfate

钌,5%负载于活性碳粉末, Ruthenium,5% on activated carbon powder

碘化钌(III),无水, Ruthenium(III) iodide

氧化钌(IV)水合物, Ruthenium(IV) oxide hydrate

(碱性)藏红O, Safranine O