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1.2-Bis(2-pyridyl)ethylene (无证书)
噻苯隆
PUNYW25162520 Gemifloxacin Related Compound 1
Nicotine Related Compound A (1,2,3,6-tetrahydro-2,3‘-bipyridine)标准品
Avermectin B1a
灭蚁灵溶液,100ppm
5-氯-2-硝基甲苯
PCB Congeners - Loamy Sand 标准品
1,4-Dioxino(2,3,b,5,6,b’)dipyridine 标准品
Isophorone Solution 100ug/ml in Methanol