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(办证) 环丙沙星盐酸盐 D8 标准品 100 μg/mL
Resorcinol Solution 100ug/ml in Methanol
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic A
环戊烯(c,d)芘
2-甲基萘 标准品
BDE 209, 50μg/ml in Solution, Oekanal 标准品
m-Nitrotoluene Solution 1000ug/ml in Acetonitrile
Tributyltin fluoride (无证书)
First Standard® 正己烷/甲苯中异狄氏剂酮溶液,1000μg/mL
喹乙醇