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4-Chloromethyl-2,2-dimethyl-1,3-dioxolane
Salcylideneacetamide (无证书)
Fenoprofen calcium
丙酮中倍硫磷标准溶液 1ml (1000ug/ml)
HEPTACHLOR SOLUTION 100 NG/MYL, IN METHA NOL, PESTANAL 标准品
敌菌灵 标准品
Set of 24 EU Allergen Standards标准品
cis-1,2-Diphenylcyclobutane
氯噻啉溶液, 100ppm
正己烷中4,4'-滴滴涕-D8同位素标准溶液