罗丹宁, Rhodanine

氯化铑(III)溶液, Rhodium(III) chloride solution

玫瑰红酸二钠盐, Rhodizonic Acid Disodium Salt

氯化铷, Rubidium Chloride

红荧烯, Rubrene

氯氧钌(III), Ruthenium(III) chloride oxide

无水氧化钌(IV), Ruthenium(IV) oxide

水杨基羟肟酸, Salicylhydroxamic Acid

氯化钐(III), Samarium(III) chloride

三氟甲烷磺酸钐(III), Samarium(III) trifluoromethanesulfonate