2-bromo-3-chloro-5-cyanopyridine

1,1’-dicarboxymethyl-4,4’-bipyridinium dichloride

CAS:4841-43-4

纯度:95%

3-(3-羟基苯基)-3-氧代丙酸乙酯

CAS:77103-49-2

纯度:97%

4-(三氟甲基)烟酸甲酯

CAS:175204-82-7

分子式:C8H6F3NO2

分子量:205.13

纯度:97%