1-(2-aminoethyl)-6-(methylthio)-N-propyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

1-(2-aminoethyl)-6-(ethylthio)-N-isopropyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

3-(3-methyl-1,2,4-oxadiazol-5-yl)-4,7-dihydro-5H-thieno[2,3-c]pyran-2-amine

1-(2-aminoethyl)-6-(ethylthio)-N-isobutyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

2-(2-mercapto-6-oxo-1,6-dihydropyrimidin-4-yl)-N-methylacetamide

1-(2-aminoethyl)-N-(2-methoxyethyl)-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

3-(piperazin-1-yl)-6-(1H-1,2,4-triazol-1-yl)pyridazine

N,N,2-trimethyl-6-(piperazin-1-yl)pyrimidin-4-amine

6-(o-tolyl)pyridazin-3(2H)-one

3-(3-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine-7-thiol

2-chloro-4-(1H-tetrazol-5-yl)pyridine