2-[3-(4-Phenylpiperazin-1-yl)propyl][1,2,4]triazolo[4,3-a]pyridin-3(2H)-one; Deschloro Trazodone; 2-[3-(4-Phenylpiperazin-1-yl)propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one; 2-[3-(4-Phenyl-1-piperazinyl)propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one; 2-(3-(4-Phenylpiperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one ; Trazodone Hydrochloride - Impurity B ;Trazodone Related Compound B ;