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Octylphenoxyethoxyethyl dimethyl-benzyl ammonium chloride (无证书)
EPA HALOETHERS MIX, 1X1ML, HEX, 2000UG/M L EACH 标准品
alpha-2,4-Trichloroacetophenon,certified 标准品
First Standard® 甲醇中磺草胺唑溶液, 100μg/mL
QUARTZ (2.50 m2/g) (nitrogen BET specific surface area) 标准品
n-Nonadecyl环己烷
Methyltetradecanoate (Myristate) C14:0 标准品
2-Acetamido-4-O-(2-acetamido-2-deoxy-β-D-glucopyranosl)-1,6-di-O-N-acetyl-α-D-muramic Acid
二氯百草枯-D8
磺胺多辛 BePure-25671XM