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2,4,5,6-Tetrachloro-m-xylene Solution 200ug/ml in Methanol
75种杀虫剂混标
9.10-Dibromoanthracene
硫酸安普霉素 溶液,1000ppm
敌磺钠标准溶液, 1000ppm
Fenazaquin Solution 100ug/ml in Acetonitrile
巴毒磷 BePure-21474
5-Chloroacetyl-6-chloro-1,3-dihydroindol-2H-indone-2-one
环氟菌胺
3-Methoxy-2’,3’,4’,5’-tetrachlorobiphenyl 标准品