1450-92-6 2(1H)-Pyrimidinone, monohydrochloride 2-Hydroxypyrimidine hydrochloride 2-Pyrimidinol, hydrochloride (8CI) 2-Pyrimidinone hydrochloride 38353-09-2 53412-83-2 AI3-60177 EINECS 253-897-8 NSC 56052 Pyrimidin-2-one monohydrochloride Pyrimidine-2-ol hydrochloride