Pyrex^® Aspirator bottles with ground glass side socket

Pyrex^® Boiling flask, round bottom, narrow neck

Pyrex^® Büchner filter with side arm and screwthread connector

Pyrex^® Burettes, Schellbach, automatic zero, class AS, PTFE stopcock

Pyrex^® Measuring cylinder with spout, class A with white graduations

Pyrex^® Non-vacuum desiccator

Pyrex^® Separating funnel, conical, PTFE key

Pyrimidine N-oxide

嘧啶 N-氧化物

Racemic methyldopa

Residual Solvent Class 2-Sulfolane

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

Resomer^® RG 503，聚（D,L-丙交酯-co-乙交酯）

Resomer^® RG 858 S, Poly(D,L-lactide-co-glycolide)

Resomer^® RG 858 S，聚(D,L-丙交酯-共-乙交酯)

Rhodium(II) heptafluorobutyrate dimer

七氟丁酸铑(II)二聚体

Risedronate sodium 2.5-hydrate

RRR-α-Tocopheryl hydrogen succinate

D-α-生育酚琥珀酸酯