Inhibiting the growth of weeds with 2-substituted pyrdidopyimidines and
申请人:Pfizer Inc.
公开号:US03950160A1
公开(公告)日:1976-04-13
2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
2-取代的吡啶嘧啶及其碱和烷基胺盐作为除草剂,以及导致其制备的起始材料的合成过程。
Process for making 2-amino nicotinonitrile
申请人:Pfizer Inc.
公开号:US03962264A1
公开(公告)日:1976-06-08
2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
Disclosed is a polymer film excellent in performance of inducing Rth. The polymer film comprises at least one species of a compound represented by the formula (I) and a compound represented by the formula (I′):