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

玫瑰红酸二水合物, Rhodizonic acid dihydrate

碳酸铷, Rubidium carbonate

四氟硼酸铷, Rubidium tetrafluoroborate

氯化钌(III), Ruthenium(III) chloride

无水氧化钌(IV), Ruthenium(IV) oxide

水杨酰胺, Salicylamide

氯化钐(III),无水, Samarium(III) chloride

八水硫酸钐, Samarium(III) sulfate octahydrate

肌氨酸乙酯盐酸盐, Sarcosine Ethyl Ester Hydrochloride