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异莲心碱 对照品
Optical Fiber Diameter
Propazine-2-hydroxy 100ug/ml in Acetonitrile:Water (75:25).
敌菌丹 BePure-20917XA
Fenhexamid Solution 100ug/ml in Acetonitrile
结晶紫纯度标准物质
L-threo-(+)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol
4-氯苯胺,cas:106-47-8
灭草隆
Karbutilate,certified 标准品