申请人:Bayer Aktiengesellschaft
公开号:US04748163A1
公开(公告)日:1988-05-31
Antibacterially active and animal growth-promoting novel .beta.-lactam compounds of the formula ##STR1## in which R.sup.1 represents the radical ##STR2## Y representing N or CR.sup.9, or Y--R.sup.7 representing >C.dbd.O or >C.dbd.N--R.sup.7, Z representing O, S, or NR.sup.10, and R.sup.2 represents hydrogen or a protective group.
具有抗菌活性和促进动物生长的新型β-内酰胺化合物的化学式为##STR1##其中R.sup.1代表基团##STR2## Y代表N或CR.sup.9,或Y-R.sup.7代表>C.dbd.O或>C.dbd.N-R.sup.7,Z代表O、S或NR.sup.10,R.sup.2代表氢或保护基。