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PUNYW25649512 5-Aminolevulinic-13C2-15N Acid (ALA-13C2-15N)
Thiophanate-methyl
硫酸安普霉素溶液,100ppm
Tricyclohexyltin hydroxide
First Standard® 甲醇中唑嘧磺草胺溶液, 1000μg/mL
trans-Nonachlor Solution 100ug/ml in Methanol
EPA Method 527 Pesticides Mixture(有证书)
Tetrahydrozoline Hydrochloride
ASTM D3606 Benzene in Gasoline Std #6 w/ 10% EtOH & IS in Isooctane
D15-金刚烷胺 标准品