英文别名Flunarizine impurity b; Flunarizine Impurity 5; 1-[(4-Fluorophenyl)(phenyl)methyl]-4-[(2E)-3-phenyl-2-propen-1-yl]piperazine dihydrochloride; Piperazine, 1-[(4-fluorophenyl)phenylmethyl]-4-[(2E)-3-phenyl-2-propen-1-yl]-, hydrochloride (1:2); Flunarizine EP Impurity B DiHCl; Flunarizine Impurity 2（Flunarizine EP Impurity B）; Flunarizine EP Impurity B DiHydrochloride; 1-[(RS)-(4-Fluorophenyl)phenylmethyl]-4-[(2E)-3-phenylprop-2-enyl]piperazine Dihydrochloride; Flunarizine Imp.B; 1-cinnamyl-4-((4-fluorophenyl)(phenyl)methyl)piperazine dihydrochloride 
