This invention relates to tetrahydrofuran-carboxylic acid derivatives, of antimicrobial activity, of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group, R.sup.2 is amino or acylamino and R.sup.3 is carboxy or a protected carboxy group or a pharmaceutically acceptable salt thereof.
这项发明涉及
四氢呋喃羧酸衍
生物,具有抗微
生物活性,其
化学式为:##STR1##其中R.sup.1是
氨基或受保护的
氨基团,R.sup.2是
氨基或酰胺基,R.sup.3是羧基或受保护的羧基团或其药用可接受盐。