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(1R,2R)-(-)-Pseudoephedrine-d3 HCl (N-methyl-d3) 标准品
Positive Bioreaction
7种有机磷混合质控样 BW30990DB-1mL
b-Naphthylamine Solution 100ug/ml in Methanol
Benzo[b]fluoren-11-one
3.5.5-Trimethyl-1-hexanol (无证书)
First Standard® 乙嘧酚
ALLOPURINOL(RG) 标准品
Propoxycaine Hydrochloride
(易制爆)Aluminum (Metallo-Organic)