Thiopyran-3-carboxylicacid, tetrahydro-4-oxo-, ethyl ester (7CI);Ethyl 2,3,5,6-tetrahydro-4-oxo-4H-thiopyran-3-carboxylate;Ethyl 4-oxo-3,4,5,6-tetrahydro-2H-thiopyran-3-carboxylate;NSC 84522;
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