专利名称：Sulfonylureas初一英语辅导报答案
发明人：Werner Fory,Rolf Schurter 申请号：US07/705459
申请日：19910524财务软件培训
公开号：US05221315A
damage是什么意思名著小说公开日：
19930622
一对一在线少儿英语怎么样>英语必修五课文翻译
专利内容由知识产权出版社提供
摘要：N-Pyridinesulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl; C.sub.2 - C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl substituted by halogen; C. sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl substituted by --NR. sub.5 R.sub.6, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkyl-S(O).sub. n --;guyana
C.sub.1 -C.sub.4 alkyl or C.sub.3 - C.sub.6 cycloalkyl substituted by C.sub.2 -C.sub.4 alkenyl, C.sub.5 -C. sub.6 cycloalkenyl, C.sub.2 -C. sub.6 alkynyl or C.sub.4 -C.sub.8 alkadienyl; or C.sub.2 -C.sub.4 alkenyl, C.sub.5 -C.sub.6 cycloalkenyl and C.sub.4 -C.sub.8 alkadienyl substituted by halogen; or R.sub.1 and R. sub.2 together are a 4-5- membered C.sub.4 -C.sub.10 alkylene chain which can be interrupted by oxygen, sulfur or N--R.sub.7 ; R.sub.3 is hydrogen, halogen, C.sub.1 -C. sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or C.sub.1 - C. sub.4 alkylthio; C. sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or C. sub.1 -C.sub.4 alkylthio substituted by halogen; R.sub.4, R.sub.5, R.sub. 6 and R.sub.7 independently of one another are hydrogen or C.sub.1 -C.sub. 4 alkyl; n is 0, 1 or 2; X is C.sub.1 -C.sub.3 alkyl, or C.sub.1 -C.sub.3 alkyl which is substituted by 1 to 3 halogens; C.sub.1 -C.sub.3 alkoxy, or C.sub.1 -C. sub.3 alkoxy which is substituted by 1 to 3 halogens; Y is halogen, C.sub. 1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkyl which is substituted by 1 to 3 halogens; C.sub.1 -
飞扬英语
C.sub.3 alkoxy, or C.sub.1 -C. sub.3 alkoxy which is substituted by 1 to 3 halogens; cyclopropyl, methylamino or dimethylamino; and E is nitrogen or the methine group, and the salts of the compounds with amines, alkali metal bas or alkaline earth metal bas or with quaternary ammonium bas have good lective herbicidal and growth-regulating properties when ud pre- and post- emergence.
申请人：CIBA-GEIGY CORPORATION
midgets代理人：Kevin T. Mansfield,Edward McC. Roberts
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