8-Bromo-5-methoxy-2h-pyrido[4,3-b][1,4]oxazin-3(4h)-one
4-Iodo-7-methoxy-1H-pyrrolo[2,3-c]pyridine
7-Chloro-4-iodo-1H-pyrrolo[2,3-c]pyridine
8-Bromo-5-methoxypyrido[3,4-b]pyrazine
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