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醋氯芬酸溶液,100ppm
First Standard® 氯唑西林钠一水合物
2,4-D-ethyl ester,100ng/ul 标准品
Balipramine Hydrochloride-d6 (Impurity)
厄洛替尼
(2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane
2,3,3',4,5,5',6-Heptachlorobiphenyl 标准品
Monoalkyl phthalate Kit (3805.9+3807.10+3808.15+3809.16)
21种农药混标 标准品(定制)
PALMITIC ACID 98%(RG) 标准品