氟吡汀杂质  Flupirtine impurity

FBT075-01  diethyl (6,6'-diamino-2,2'-bis((4fluorobenzyl)amino)-[3,3'-bipyridine]5,5'-diyl)dicarbamate  1417916-52-9

FBT075-02  5-((4-fluorobenzyl)amino)-1,3-dihydro2H-imidazo[4,5-b]pyridin-2-one  951624-49-0

FBT075-03  ethyl (2-amino-6-((2fluorobenzyl)amino)pyridin-3yl)carbamate maleate

FBT075-04  N-(2-amino-6-((4fluorobenzyl)amino)pyridin-3yl)acetamide hydrochloride  91941-04-7

FBT075-06  ethyl (2-amino-6-(benzylamino)pyridin3-yl)carbamate（free base：736866-91-4）