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3,5-Dichlorocatechol
Aldosterone 21-Acetate
杀虫脒溶液,100ppm
2.2'.4.4'.5.6'-Hexachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
Diphenyl-d10 Ether 标准品
First Standard® 甲醇中氯霉素、甲砜毒素和氟苯尼考混标溶液,100μg/mL
4-Methylsulfonyl-2,3,3',4',6-pentachlorobiphenyl 标准品
西布特罗-D9同位素标准品
5-Azido-5-deoxy-D-fructose
农药混标-4