Pharmaceutical Intermediates Antivirals Favipiravir
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Methyl 3-amino-6-bromopyrazine-2-carboxylate
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Methyl 6-bromo-3-methoxypyrazine-2-carboxylate
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Methyl 5-hydroxyisoxazolo[4,5-b]pyrazine-3-carboxylate
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6-Fluoro-3-oxo-3,4-dihydropyrazine-2-carbonitrile
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Methyl 5-chloroisoxazolo[4,5-b]pyrazine-3-carboxylate
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5-Fluoro-isoxazolo[4,5-b]pyrazine-3-carboxylic acid methyl ester