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工业多氯联苯1242(Arochlor 1242)
Captan Solution in Toluene
PUNYW25259323 3-Methyl Thiorifamycin SV
特丁硫磷-氧磷
PUNYW24715325 Mezlocillin Impurity 3
p-Toluene-2,3,5,6-d4-sulfonamide 标准品
Flavoxate Related Compound B
2,4-二氯苯酚(溶剂:甲醇)
2.4.6-Trichlorophenol Solution 100ug/ml in Methanol
甲醇/二氯甲烷(1:1)中苯并[a]芘溶液