喹哪啶酸, Quinaldic Acid

喹啉-2-甲腈, Quinoline-2-carbonitrile

喹啉-5-羧酸, Quinoline-5-carboxylic acid

Radglo GM-10 Chartreuse

氯化铼(V), Rhenium(V) chloride

Rhodamine 6G

铑碳, Rhodium,5% on carbon

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

乙酰丙酮铑(III) Premion®, Rhodium(III) 2,4-pentanedionate

松香, Rosin

氯化铷, Rubidium Chloride

硝酸铷, Rubidium nitrate

钌, Ruthenium

氯化钌(III), Ruthenium(III) chloride

亚硝酰硝酸钌(III), Ruthenium(III) nitrosylnitrate