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Hafnium oxide (无证书)
Copper Oxide (-20 mesh) (Cu2O) 99.999%
二氯醋酸二异丙胺
Benzophenone-d10
甲醇中三氯杀螨醇
First Standard® 乙腈中醋酸氟孕酮溶液, 1000μg/mL
HEXYLACETATE(SG) 标准品
Ethyl-N-(3-hydroxyphenyl)-carbamate,certified 标准品
Crotonaldehyde 标准品
2.4-Dinitrotoluene (13C4) Solution 100ug/ml in n-Nonane