英文别名3,4-Dichloro Trazodone; Trazodone Impurity 28; Trazodone hydrochloride EP Impurity J; Trazodone EP Impurity J (Free Base); 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one, 2-[3-[4-(3,4-dichlorophenyl)-1-piperazinyl]propyl]-; 2-[3-[4-(3,4-Dichlorophenyl)-1-piperazinyl]propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one; Trazodone Impurity 18 Monomer 
