Synonyms: 3-phenyl-3,4-dihydropyrido[3,4-b]pyrazin-2(1h)-one;AC1L4ME6;AC1Q6M2I;AR-1F4984;3,4-Dihydro-3-phenylpyrido(3,4-b)pyrazin-2(1H)-one;3-phenyl-3,4-dihydro-1H-pyrido[3,4-b]pyrazin-2-one;2-Oxo-3-phenyl-1,2,3,4-tetrahydropyrido(2,3-c)pyrazine;Pyrido(3,4-b)pyrazin-2(1H)-one, 3,4-dihydro-3-phenyl-