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Trimethoprim
Tetraoctadecylammonium bromide
13种磺胺混标 Bepure-33176XM
2-Methyl-1-[4-(1-methylethyl)phenyl]-1-propanone
美金刚-D6盐酸盐 BePure-23886
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甲醇中环酯草醚
N-Acetyl-D-glucosamine-13C6
First Standard® 乙腈中抗螨唑溶液, 1000μg/mL
#2 Diesel Fuel 50% Weathered Solution 标准品