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DL-2-Methylamphetamine hydrochloride
邻苯二甲酸
噻酰菌胺溶液, 100ppm
p-甲氧基肉桂酸异戊酯溶液,1000ppm
1-Bromobutane-4,4,4-d3 标准品
PCBs3组份-77,126,169(溶剂:异辛烷)
氯辛硫磷Chlorphoxim,certified 标准品
Barium sulfide-yellow powder
Quality Control Standard - 19(有证书)
L-(-)-Epinephrine-d3