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
2-Amino-1-(4’-benzyloxyphenyl)ethanol-13C2,15N
井冈霉素
ASTM D5442 C16-C44 线性标准品
4-Chlorophenol acetate,certified 标准品
4-Methylsulfonyl-2,2',3',4',5,5'-hexachlorobiphenyl 标准品
4-氨基苯酚
Tetracycline Hydrochloride,
Tantalum pentoxide (无证书)
Methylsulfuric acid potassium salt
9-n-Octylcarbazole