Pyrazines

(8aS)-1,5,6,7,8,8a-hexahydrooxazolo[3,4-a]pyrazin-3-one

2,3,6,7,8,8a-hexahydro-1H-pyrrolo[1,2-a]pyrazin-4-one

[1,2,4]triazolo[4,3-a]pyrazine-6-carboxylic acid

5-(dimethylamino)pyrazine-2-carboxylic acid

3-(thiophen-3-yl)pyrazine-2-carboxylic acid

1-[3-(thiophen-3-yl)pyrazin-2-yl]methanamine

2-methyl-2,4-dihydro-1H-pyrido[3,4-b]pyrazin-3-one

3-(4-nitrophenyl)imidazo[1,5-a]pyrazin-1-ol

5-[(3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl)oxy]pyridine-3-carboxylic acid

5-([1,2,4]triazolo[4,3-a]pyrazin-8-yloxy)pyridine-3-carboxylic acid

N-carbamimidoylpyrazine-2-carboxamide

3-(3-amino-1-piperidyl)-1H-pyrazin-2-one

3-pyrazin-2-yl-1,2,4-oxadiazole-5-carboxylic acid

7-(azetidin-3-yl)-3-methyl-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine

2-methyl-1,3,4,6,7,8,9,9a-octahydropyrazino[1,2-a]pyrazine

tert-butyl 8-benzyl-3,4,6,7,9,9a-hexahydro-1H-pyrazino[1,2-a]pyrazine-2-carboxylate