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4-Methyl-2-pentene
水中盐酸沙拉沙星
1,2,3-三氯苯 标准品
Pendimethalin 标准品
Mesotrione
Chlormequat chloride Solution 100ug/ml in H2O
C1-C6正烷烃:甲烷/乙烷/丙烷/丁烷/戊烷/己烷,均100ppm,溶于氦气 标准品
Trifluoperazine hydrochloride (无证书)
First Standard® 乙腈/甲醇中氨氯吡啶酸溶液, 1000μg/mL
Allyl 2-(Acetylamino)-2-deoxy-3-O-benzyl-β-D-glucopyranoside
氟胺氰菊酯溶液标准物质