Dechloro Trazodone;2-[3-(4-Phenyl-1-piperazinyl)propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one;Trazodone IMpurity B (Dechloro Trazadone);Trazodone BP Impurity C;Trazodone impurity 1/Deschloro Trazodone/2-[3-(4-Phenyl-1-piperazinyl)propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one;Trazodone EP Impurity B;Trazodone Impurity 2（Trazodone BP Impurity B）;Trazodone BP IMP B
