trichlorophenoxyacetic acid 2,4,5-t molecule. synthetic auxin. structural chemical formula and molecule model

acetic acid als atom auxin biosynthesis carbon catabolism chain chemical chemistry chlorine compound defoliate dichlorophenoxyacetic dioxin education formula herbicidal herbicide hydrogen illustration model molecule organic oxygen plant science stimulant structural structure study synthetic toxic trichlorophenoxy trichlorophenoxyacetic vector