The invention provides novel penicillins and cephalosporins of formula I, ##STR1## methods for their production and their anti-bacterial use.
该发明提供了式I的新颖青霉素和头孢菌素,以及它们的生产方法和其抗菌用途。 ##STR1##
Insecticidal hydrazine derivatives
申请人:Nihon Nohyaku Co., Ltd.
公开号:US05608109A1
公开(公告)日:1997-03-04
The present invention relates to a hydrazine derivative represented by the formula (I): ##STR1## (wherein each of Ar.sup.1 and Ar.sup.2 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted heteroaryl group, or the like, R.sup.1 is an alkyl group or the like, and A is a divalent radical having --C.dbd.N--N-- or --CH--NH--N-- as a fundamental skeleton), which is a useful compound as an agricultural and horticultural insecticide.