Sigma-Aldrich
聚四氟乙烯, Polytetrafluoroethylene
Polyvinylfluoride
Polyvinylidenechloride
POPSO
Porous glass beads I (pore volume and width)
POTASSIUM (PHENYLSULFANYL)ACETATE
POTASSIUM 2-[(BENZOYLAMINO)METHYL]-5-OXO-2,5-DIHYDRO-2-FURANOLATE