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First Standard® 甲醇中敌螨普溶液,100μg/mL
Lithium acetate dihydrate
3种农残混标
Meclofenamate Sodium
Toxaphene Parlar-No. 44 ca.1 ?g/mL in Cyclohexane
氟苯尼考
2,3,3'-Trichlorobiphenyl 标准品
妥曲珠利砜
乙氧氟草醚 BePure-24663LC
银杏酸(C15:1) 对照品