2H-Pyrido[1,2-a]pyrimidin-3-ol, 3,4-dihydro-, monohydrochloride 2H-Pyrido[1,2-a]pyrimidine, 3,4-dihydro-3-hydroxy-, hydrochloride 3,4-Dihydro-3-hydroxy-2H-pyrido[1,2-a]pyrinidine hydrochloride 5993-97-5 NSC10549 WLN: T66 AN EN EUT&J CQ &GH