N-Valerylglycine

Perfluoropentanoic Acid

九氟戊酸

pH-WS

Piperonylbutoxide-(butyl-d₉)

Poly(methacrylic acid sodium salt)

聚(甲基丙烯酸钠盐)

Poly(styrenesulfonic acid sodium salt)

聚(苯乙烯磺酸钠盐)

Potassium ionophore III

2-Dodecyl-2-methyl-1,3-propanediyl bis[N-[5′-nitro(benzo-15-crown-5)-4′-yl]carbamate]

Propachlor ESA sodium salt

毒草胺 ESA 钠盐

Pullulan Standard

Pyrasulfotole

(5-Hydroxy-1,3-dimethylpyrazol-4-yl)(α,α,α-trifluoro-2-mesyl-p-tolyl)methanone

Red 2G

酸性红1