英文别名2H-IMIDAZO[4,5-B]PYRAZIN-2-ONE, 1,3-DIHYDRO-; 2H-Imidazo[4,5-b]pyrazin-2-one; 1H-Imidazo[4,5-b]pyrazin-2(3H)-one; 1,3-dihydroimidazo[4,5-b]pyrazin-2-one; 1H-imidazo[4,5-b]pyrazin-2-ol; 1,4-dihydro-2H-imidazo[4,5-b]pyrazin-2-one; 2-Oxo-1H,3H-imidazo<4,5-b>pyrazin 
