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噻螨酮 BePure-23399YB
氧氯丹溶液, 100ppm
丙酮中百菌清质控样
EPA TO-1 毒性有机物混标 1A,2mg/ml 标准品
1.2.3-Trichloropropane (d5)
环磺酮 标准品
Anitmony Metallo-Organic Standard 1000ug/g in Mineral Oil
4-n-壬基酚
2-[2,4-Dinitrophenylhydrazone]pyruvaldehyde
SCUTELLARIN(P) 标准品