ChemicalBook >?? ???? >ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate ??? ???

???:: ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

???(??):: ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

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ethyl 5-methyl-4-oxo-2-(4-pyridinyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate ??

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