Synonyms: 2-Amino-6-benzyl-4-phenyl-1,4,5,6-tetrahydro-7H-pyrrolo(3,4-d)pyrimidin-7-one hydrochloride;2-Amino-6-benzyl-4-phenyl-1,4,5,6-tetrahydro-7H-pyrrolo[3,4-d]pyrimidin-7-one hydrochloride;2-Amino-6-benzyl-4-phenyl-3,4-dihydro-5H-pyrrolo(3,4-d)pyrimidin-7(6H)-one hydrochloride;5H-Pyrrolo(3,4-d)pyrimidin-7(6H)-one, 2-amino-6-benzyl-3,4-dihydro-4-phenyl-, hydrochloride;5H-Pyrrolo(3,4-d)pyrimidin-7(6H)-one, 3,4-dihydro-2-amino-6-benzyl-4-phenyl-, hydrochloride