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Dithianon
2,4’,5-三氯联苯(PCB 31) 标准品
First Standard® 甲基毒死蜱
First Standard® 醋酸氟米龙
3-Indolebutyric acid Solution 100ug/ml in MTBE
9,10-二氯菲
DL-3-Methoxyamphetamine hydrochloride
1-Methylnaphthalene
(±)-2-(4-Chloro-2-methylphenoxy-d3)propionic Acid 标准品
丙酸诺龙溶液, 100ppm