5-Bromo-3-chloropyrazin-2(1H)-one
1-(Pyrazolo[1,5-a]pyrazin-3-yl)ethan-1-one
2,3-Dimethylpyrido[3,4-b]pyrazin-5(6H)-one
5,6-Dichloro-1,3-dihydro-2H-imidazo[4,5-b]pyrazin-2-one
2-Bromo-5H-pyrrolo[2,3-b]pyrazin-6(7H)-one
1-Ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-5-yl)pyridin-3-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one
[1,2,4]Triazolo[1,5-a]pyrazin-8(7H)-one
3-Amino-6-bromopyrazin-2(1H)-one
6,7-Dihydroimidazo[1,2-a]pyrazin-8(5H)-one
8-Benzyl-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)imidazo[1,2-a]pyrazin-3(7H)-one
Hexahydropyrrolo[1,2-a]pyrazin-6(2H)-one
(S)-Hexahydropyrrolo[1,2-a]pyrazin-6(2H)-one hydrochloride
6-Bromopyrazin-2(1H)-one
5-Bromo-1-methyl-1H-pyrazin-2-one
8-Bromopyrido[3,4-b]pyrazin-5(6H)-one
Hexahydropyrrolo[1,2-a]pyrazin-4(1H)-one
(S)-Hexahydropyrrolo[1,2-a]pyrazin-4(1H)-one hydrochloride
Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one hydrochloride
1H-Pyrazolo[3,4-b]pyrazin-3(2H)-one
Tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one hydrochloride
