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氯亚胺硫磷
First Standard® 甲苯中蓄虫避溶液,100μg/mL
Pentaerythritol tetraacetate (无证书)
环氧七氯溶液,100ppm
盐酸伐地那非三水合物(标准品)[224785-91-5]
L-Lysine-4,4,5,5-d4-bis-N-t-BOC 标准品
Water-Soluble Non-Halogenated Volatiles Set 标准品
POE (50) nonylphenol
Propham
Lead Powder Pb 99.999%(有证书)