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?? ???? >methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate
methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate
methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate ??
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methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate C??? ??, ??, ??
methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate ?? ?? ? ???
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methyl 5-methyl-2-(1,2-oxazol-5-ylmethyl)-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate ?? ??
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