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
正己烷中氯氟氰菊酯
PUNYW27568143 4-tert-Butyl-3-Cyclopropoxy-N.N-Dimethylbenzamide
(S)-(+)-Methamphetamine hydrochloride
吡噻菌胺
Custom-PAH-Mix 156 10-500 ?g/mL in Toluene
23种防腐剂混标 BePure-31145CZ
Phosphamidon Solution 100ug/ml in Acetonitrile
4-Oxo-2,2,6,6-tetramethylpiperidine-d16-1-oxyl 标准品
8种有机氯定制农残检测标准品
磺胺甲氧哒嗪