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丙酮中灭幼脲溶液标准样品
(办证)芴-d10
Isobornyl thiocyanoacetate Solution 100ug/ml in Toluene
3,5-Dinitrobenzyl chloride 标准品
Calibration Standard 2 - EPA Method 200.7(有证书)
1-Acetoxy-4-methoxycarbonyl-2,2,6,6-tetramethylpiperidine
地塞米松
RH 5849 标准品
N-Acetyl-2,3-dehydro-2-deoxyneuraminic Acid Sodium Salt
Surrogate Standard Mix 13,2000ng/ul 标准品