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??2-???-4-(4-????)-3-??????????
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Ethyl 2-amino-4-(pyridin-4-yl)thiophene-3-carboxylate is a reagent used for the synthesis of 2-aminothieno[2,3-d][1,3]thiazin-4-ones, which has weak anti-allergic effects.??2-???-4-(4-????)-3-?????????? ?? ?? ? ???
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