Pyrex^® Büchner filter with side arm and screwthread connector

Pyrex^® Desiccator plate

Pyrex^® Reagent bottles, unground narrow neck

Pyrex^® Spare rubber/PTFE sealing ring for 1565 aspirator bottle

Ranitidine Hydrochloride

雷尼替丁 盐酸盐

Resomer^® RG 503 H, Poly(D,L-lactide-co-glycolide)

聚（D,L-丙交酯-co-乙交酯）

Rhodium on carbon

碳负载铑

Risedronate sodium 2.5-hydrate

Ruthenium(III) Acetylacetonate

乙酰丙酮钌(III)

Scandium(III) chloride hydrate

氯化钪(III) 水合物