4-CYANO-4-(FLUROPHENYL)-3-(SUBSTITUTED PHENYL)-BUTYRIC ACIDS, ESTERS AND DERIVATIVES THEREOF, AND A METHOD OF SELECTIVELY CONTROLLING UNDESIRABLE VEGETATION IN RICE THEREWITH

摘要

THE INVENTION RELATES TO SELECTIVE HERBICIDAL 4-CYANO-4-(FLUOROPHENYL)-3-(SUBSTITUTED-PHENYL) BUTYRIC ACIDS, ESTERS AND DERIVATIVES THEREOF, AND A METHOD OF SELECTIVELY CONTROLLING UNDESIRABLE VEGETATION IN RICE THEREWITH.