Chemical Name: 3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a]pyrimidin-4-one hydrochloride
Synonym: Paliperidone, Paliperidone USP Impurity A, Paliperidone USP Imp A, Paliperidone USP A, 3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a]pyrimidin-4-one hydrochloride, Paliperidone-USP-Impurity-A, Paliperidone-USP-Imp-A, Paliperidone-US-A,
Smile: O=C1C(CC)=C(C)N=C2N1CCCC2O