申请人:Mitsui Toatsu Chemicals, Incorporated
公开号:US04263302A1
公开(公告)日:1981-04-21
A penicillanic acid of the general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each represent a hydrogen atom or a lower alkyl group, provided that R.sup.1, R.sup.2 and R.sup.3 do not simultaneously represent a hydrogen atom, or a biologically acceptable salt thereof.
一种通式为##STR1##的青霉烷酸,其中R.sup.1,R.sup.2和R.sup.3分别表示氢原子或低碳基,前提是R.sup.1,R.sup.2和R.sup.3不能同时表示氢原子,或其生物学上可接受的盐。