Imazapic
Imazapic is a chemical used as an herbicide. It controls many broad leaf weeds and controls or suppresses some grasses in pasture, rangeland and certain types of turf. It has a half-life of around 120 days in soil. Imazapic is considered an environmental hazard due to its harmful effects on aquatic life.
Imazapic's HRAC classification is Group B, Group 2, as it inhibits acetohydroxyacid synthase.