栎精二水合物, Quercetin dihydrate

8-喹啉硼酸频哪醇酯, Quinoline-8-boronic acid pinacol ester

喹啉-4-甲酸, Quinoline-4-carboxylic acid

奎宁环, Quinuclidine

氯化铼(III), Rhenium(III) chloride

罗丹明B, Rhodamine B

Rhodium,5% on alumina powder

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

无水氧化铑(III), Rhodium(III) oxide

孟加拉玫瑰红, Rose Bengal

碳酸铷, Rubidium carbonate

硝酸铷, Rubidium nitrate

Ruthenium

氯化钌(III)水合物, Ruthenium(III) Chloride Hydrate

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