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PCB No. 84|2,2′,3,3′,6-Pentachlorobiphenyl
Metazachlor
2-Benzyl-4-methylphenol
Ethylbenzene Solution 100ug/ml in Methanol
转基因玉米59122(0.1%) 标准品
Ammonium acetate
First Standard® 甲苯中呋霜灵溶液,1000μg/mL
甲醇中伏草隆
Aluminum acetate basic powder.
福莫特罗酒石酸盐
Dapsone