氯化铼(III), Rhenium(III) chloride

罗丹宁-3-乙酸, Rhodanine-3-acetic Acid

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

核黄素, Riboflavin

氯化铷, Rubidium Chloride

钌,0.5%负载于颗粒碳, Ruthenium,0.5% on granular carbon

碘化钌(III),无水, Ruthenium(III) iodide

氧化钌(IV), Ruthenium(IV) oxide

水杨酸, Salicylic Acid

氟化钐(III), Samarium(III) fluoride