Pyrazines

4-Oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazine-2-carboxylic acid methyl ester

5-Bromo-3-trimethylsilanylethynylpyrazin-2-ylamine

(5-Methylpyrazin-2-yl)hydrazine

5H-Pyrrolo[2,3-b]pyrazine

3,5-Dimethylpyrazin-2-ylamine

(5-formyl-pyrazin-2-yl)-carbamic acid tert-butyl ester

(5-methyl-pyrazin-2-yl)-carbamic acid tert-butyl ester

tert-butyl 5-(hydroxymethyl)pyrazin-2-ylcarbamate

4-(Pyrazin-2-yl)benzaldehyde

4-(Pyrazin-2-yl)benzoic acid

3-Aminopyrazine-2-carboxylic acid methylamide

3-(4-Methylpiperazin-1-yl)-1-(5-methylpyridin-2-yl)-1H-pyrazol-5-amine

8-methyl-1,2,3,4-tetrahydropyrazino[1,2-a]indole

1,2,3,4-tetrahydropyrazino[1,2-a]indole

10-methyl-1,2,3,4-tetrahydropyrazino[1,2-a]indole

3-ethyl-8-methyl-2,3,3a,4,5,6-hexahydro-1H-pyrazino[3,2,1-jk]carbazole