The present invention relates to [(2-oxo-3-tetrahydrothienylcarbamoyl)-alkylthio]-acetic acids, their salts and esters of formula: ##STR1## in which n is 0 or 1, one of the substituents R.sub.1 and R.sub.2 is a hydrogen atom or a methyl group and the other represents a group -S-CH.sub.2 -COOR.sub.3, where R.sub.3 is a hydrogen atom or an alkali metal or a lower alkyl group or a group: ##STR2## It also relates to a process for preparing said acids, salts and esters, and to the drugs containing same.
本发明涉及[(2-氧代-3-
四氢噻唑基甲酰)-烷
硫基]-
乙酸、其盐和酯的
化学式:##STR1##其中n为0或1,取代基R.sub.1和R.sub.2中的一个是氢原子或甲基,另一个代表一个基团-S-CH.sub.2-COOR.sub.3,其中R.sub.3是氢原子或碱
金属或低碳基团或一个基团:##STR2##还涉及制备所述酸、盐和酯的方法,以及含有相同成分的药物。