如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
delta-HCH D6 100 ?g/mL in Cyclohexane
1.3.5-Tribromobenzene Solution 100ug/ml in Hexane
2.4-Dimethyl-6-hydroxypyrimidine (无证书)
2,4,6-三溴联苯
Parathion-ethyl(含干冰运输费)
90772, Electrolytic copper (trace elemen ts) 标准品
6-Acetyl-N-caboxylate Melatonin Ethyl Ester
丙硫磷溶液, 1000ppm
beta-细辛脑(标准品)[5273-86-9]
Zileuton Related Compound A 标准品