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2,3-Dihydro-2,2-dimethyl benzofuran-3,7-diol 100ug/ml in Acetonitrile
农残混标34
(±)-Cetirizine-d4 (ethoxy-d4) 标准品
N-甲基乙酰胺
3.5-Dimethylpiperidine (无证书)
(易制爆)乙二胺
氨氯吡啶酸溶液, 100ppm
氧甲基毒死蜱
N-[(2R,3S)-3-Amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)-4-nitrobenzenesulfonamide Trifluoroac
苯并噻二唑