Pyrex^® Aspirator stopcock with ground cone

Pyrex^® Class AS, Schellbach, with intermediate stopcock

Pyrex^® Media-Lab Bottles, with cap and pouring ring, with printed trace code

Pyrex^® Reagent bottles, unground narrow neck

Pyrex^® Separating funnel, conical, PTFE key

Pyrylium tetrafluoroborate

Ranitidine Hydrochloride

雷尼替丁 盐酸盐

Resomer^® R 203 H, Poly(D,L-lactide)

聚(D,L-乳酸)

Resomer^® RG 653 H, Poly(D,L-lactide-co-glycolide)

共聚物 ^®RG 653 H，聚（D,L-丙交酯-co-乙交酯）

Resveratrol

白藜芦醇

Rifabutin impurity A

1-(2-甲基丙基)-4-哌啶酮