英文别名1-[(2-Fluorophenyl)(4-fluorophenyl)methyl]-4-[(2E)-3-phenyl-2-propen-1-yl]piperazine; 4-Defluoro 2-Fluoro Flunarizine Dihydrochloride; Flunarizine EP Impurity C DiHCl; 1-cinnamyl-4-((2-fluorophenyl)(4-fluorophenyl)methyl)piperazine; Flunarizine Impurity C; Flunarizine EP Impurity C DiHydrochloride; 1-[(RS)-(2-Fluorophenyl)(4-fluorophenyl)methyl]-4-[(2E)-3-phenylprop-2-enyl]piperazine Dihydrochloride 
