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GPC标样-聚甲基丙烯酸甲酯(Mw 157200)(宽Mw) 标准品
PUNYW26472176 Tricirbine Phosphate -13C5
2.2'.3.4.5'-Pentachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
萎锈灵亚砜溶液,100ppm
甲醇中苯并(k)荧蒽溶液标准物质
正十八烷 标准品
精苯霜灵
Pirimiphos-methyl Solution 100ug/ml in Acetonitrile
Cyclizine Related Compound A 标准品
p-Chlorophenyl methyl sulfone (无证书)