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2-Ethyl-3-methoxypyrazine
First Standard® 乙腈中牧草胺溶液, 1000μg/mL
奥司他韦
炔诺孕酮-D6溶液, 10ppm
1-Chloro-3-nitrobenzene Solution 1000ug/ml in Isooctane
PUNYW27120124 Benzovindiflupyr-15N2-13C-d3
C30 17β(H),21α(H)-Hopane, 100μg/ml in iso-octane [Moretnane]
苄氧喹甲酯 标准品
D-Aspartic Acid
Lithium Chloride (LiCL) 99.99%