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4.4'-Diaminostilbene dihydrochloride (无证书)
甲苯中吡菌磷
SVOC混标18
Parathion (TM) (diethyl-d10) Solution 100ug/ml in n-Nonane
Allyl 2-Deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-glucopyranoside
水质标样-氯仿中对硫磷-(乙基对硫磷)
2-Amino-3-chloro-N-hydroxy-propanamide-15N,d3
氟硫草定 甲醇中
1,4-Naphthoquinone-d6
茄病镰刀菌烯醇溶液,100ppm