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47059, 2,3,3'-Trichlorobiphenyl (IUPAC N o. 20) (purity) 标准品
氯氟吡氧乙酸异辛酯(使它隆)农药纯度标准物质
重楼皂苷II 对照品
NARINGENIN(P) 标准品
73343, Electrolytic tough pitch copper ( O) 标准品
(R)-3-Azido-1-phenyl-1-(2-methylphenoxy)propane
o-Nitrophenoxyacetic acid (无证书)
Purgeable Internal Standard 标准品
Sulfated synthetic sperm oil (无证书)
乙基杀扑磷,1000ppm