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