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

肌氨酸甲酯盐酸盐, Sarcosine methyl ester hydrochloride

三氧化二钪, Scandium(III) oxide

D-丝氨酸, D-Serine