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
GBW(E)061391 3-氯-1,2-丙二醇
狄氏剂溶液,1000ppm
虫酰肼农药纯度标准物质
Dimethyl carbitol adipate (无证书)
2-Bromopropionic acid Solution 2000ug/ml in t-Butylmethyl ether
Morflex?x-1125 标准品
Methomyl D3
Abate (TM)
正己烷中定制混标18溶液
ST. JOHN'S WORT STANDARDS KIT #1(HYPERICINS)