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-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture
Acid mordant Black 1 标准品
盐酸二甲双胍 Bepure-23936-500mg
Cetyl alcohol (无证书)
鱼肉 呋喃西林代谢物SEM BQC1363325521L
紫菀酮 对照品
N-Nitrosodi-n-propylamine Solution 100ug/ml in Hexane
4,7-Dichloroquinoline-15N 标准品
Diclofop acid
o-Toluidine