Preston Selective Supplement

PSS-Octavinyl substituted

八乙烯基八硅倍半氧烷

Pyrex^® Boiling flask, round bottom, narrow neck

Pyrex^® Burettes, class AS works certified with PTFE key

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

Pyrex^® Separating funnel, conical, PTFE key

Pyrylium tetrafluoroborate

Replacement cover for Pyrex^® Vacuum desiccator

Resomer^® RG 752 H, Poly(D,L-lactide-co-glycolide)

Resomer^® RG 752 H，聚（D,L-丙交酯-co-乙交酯）

Rhodium(II) heptafluorobutyrate dimer

七氟丁酸铑(II)二聚体