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
First Standard® 氯杀螨亚砜
Foundry Coke
甲磺隆 BePure-24169YA
17?(H)-Hop-21(22)-en-3-one
First Standard® 霜脲氰
2.6.7-Trihydroxy-9-phenylisoxanthene-3-one (无证书)
邻苯二胺溶液,1000ppm
特富灵-氨 BePure-26324XA
磺胺-5-(对)甲氧嘧啶
氨基比林溶液, 1000ppm