Synonyms: 1,3-Diethyl-4,7-diphenyl-5-methyl-1H-pyrrolo(3,4-d)pyrimidin-2(3H)-one hydrochloride;1H-Pyrrolo(3,4-d)pyrimidin-2(3H)-one, 1,3-diethyl-4,7-diphenyl-5-methyl-, hydrochloride;AC1MHMR3;LS-139604;1,3-diethyl-5-methyl-4,7-diphenylpyrrolo[3,4-d]pyrimidin-2-one hydrochloride;70886-87-2