吡咯-3-羧酸, Pyrrole-3-carboxylic Acid

4-(1-吡咯烷基)苯硼酸频哪醇酯, 4-(1-Pyrrolidinyl)benzeneboronic acid pinacol ester

4-(2-吡咯烷基)吡啶, 4-(2-Pyrrolidinyl)pyridine

丙酮醛, Pyruvic aldehyde

N-氧化喹啉水合物, Quinoline N-Oxide Hydrate

喹啉-4-甲醛, Quinoline-4-carboxaldehyde

喹喔啉-2-羧酸, Quinoxaline-2-carboxylic acid

刃天青钠盐, Resazurin Sodium Salt

氧化铼(VII), Rhenium(VII) oxide

罗丹宁-3-乙酸, Rhodanine-3-acetic Acid

乙酸铑(II)二聚物, Rhodium(II) acetate

碘化铑(III), Rhodium(III) iodide

玫瑰红酸二钠盐, Rhodizonic Acid Disodium Salt

溴化铷, Rubidium Bromide

甲酸铷水合物, Rubidium formate hydrate