英文别名Trazodone Impurity 42; Levodropropizine Impurity 7; Trazodone Impurity 16; 4-(3-Chlorophenyl)-1-(3-bromopropyl)piperazine; Trazodone Impurity INT3-A; 4-(3-bromopropyl)-1-(3-chlorophenyl)piperazine; 1-(3-Bromo-propyl)-4-(3-chloro-phenyl)-piperazine