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农残混标173
First Standard® 二甲戊灵
维他命A乙酸酯
2.4-滴仲丁酯
PUNYW26583243 9-Methyl Acridine
2-Acetyl-3,4,5,6-tetrahydropyridine-13C2 Hydrochloride (Technical Grade)
联苯吡菌胺
2-Chlorotoluene Solution 100ug/ml in Methanol
2,6-二氯苯甲酰胺 标准品
3.5-Dichlorobiphenyl Solution 100ug/ml in Hexane (无证书)