Trazodone EP Impurity A

Chemical Name: 4-(3-chlorophenyl)-1-[3-(3-oxo-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-2-yl)propyl]piperazine 1-oxide (as per EP) ; 4-(3-Chlorophenyl)-1-[3-(3-oxo-[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)propyl]piperazine 1-oxide (as per USP)

Synonym: Trazodone N-Oxide (USP)

Smile: O=C1N(CCC[N+]2([O-])CCN(C3=CC=CC(Cl)=C3)CC2)N=C4C=CC=CN41