英文别名
2,6-bis-ethoxycarbonylmethylsulfanyl-4-oxo-4H-thiopyran-3,5-dicarboxylic acid diethyl ester;2,6-Bis-aethoxycarbonylmethylmercapto-4-oxo-4H-thiopyran-3,5-dicarbonsaeure-diaethylester;diethyl 2,6-bis[(2-ethoxy-2-oxoethyl)sulfanyl]-4-oxothiopyran-3,5-dicarboxylate