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7-Aminobenz[a]anthracene
p-Chloromandelic acid Solution 100ug/ml in Acetonitrile
First Standard® 丙酮中39种农药混标溶液(GCMS),100μg/mL
Palmitamide (无证书)
2,2’,3,3’,4,5,6,6’-八氯联苯(PCB 199) 标准品
10-trans-Pentadecenoic acid
甲基苯丙胺溶液,100ppm
First Standard® 嘧菌酯
三丁氯苄鏻溶液,100ppm
17ß(H),21ß(H)-30-Norhopane 标准品