7-Chloro-3,4-dihydropyrido[2,3-b]pyrazin-2(1H)-one
7-Fluoro-3,4-dihydropyrido[2,3-b]pyrazin-2(1H)-one
4-Methyl-2,3-dihydrofuro[2,3-b]pyridine
6-((2S,6r)-2,6-dimethylmorpholino)pyridin-3-amine
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