基本信息:中文名稱(chēng) 4-氧代四氫-2H-硫代吡喃-3-羧酸乙酯 1,1-二氧化物英文名稱(chēng) Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide英文別名 ethyl 1,1,4-trioxothiane-3-carboxylate;CAS號(hào) 889946-17-2日本海關(guān)編碼(HS-code):293499090概述(Summary):293499090. Other heterocyclic compounds. General tariff:0.046. WTO tariff:0.031. GSP tariff:Free.