英文别名diethyl (6,6'-diamino-2,2'-bis((4-fluorobenzyl)amino)-[3,3'-bipyridine]-5,5'-diyl)dicarbamate; diethyl {6,6'-diamino-2,2'-bis[(4-fluorobenzyl)amino]-3,3'-bipyridine-5,5'-diyl}biscarbamate; Flupirtine Impurity 2; Flupirtine Impurity 01; Carbamic acid, N,N'-[6,6'-diamino-2,2'-bis[[(4-fluorophenyl)methyl]amino][3,3'-bipyridine]-5,5'-diyl]bis-, C,C'-diethyl ester 
