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Dinotefuran
2,3,3',4'-Tetrachlorobiphenyl 99% (BZ# 56) 标准品
Pimelic acid
2,3,4,5-四氯甲氧基苯
First Standard® 胺唑草酮
Thioacetic acid potassium salt (无证书)
2,4,7-三硝基-9-芴酮
8种有机氮农药混标 BePure-30256XH
PUNYW25807163 2-Hydroxy-2-phenyl-hexafluoropropane
正己烷中氰戊菊酯溶液标准物质