喹啉-5-甲醛, Quinoline-5-carboxaldehyde

盐酸雷尼替丁, Ranitidine Hydrochloride

硫化铼(IV), Rhenium(IV) sulfide

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

无水氧化铑(III), Rhodium(III) oxide

溴化铷, Rubidium Bromide

硝酸铷, Rubidium nitrate

溴化钌(III), Ruthenium(III) bromide

亚硝酰硫酸钌(III), Ruthenium(III) nitrosylsulfate

水杨醛吖嗪, Salicylaldehyde Azine