3d image of 4-chlorophenoxyacetic acid skeletal formula

4-chlorophenoxyacetic acid pcpa parachlorophenoxyacetate synthetic pesticide 4-chlorophenoxyacetate chemical structure chloroacetic chlorophenolate synthesis diphenyl nitrophenol cypermethrin imazapyr pendimethalin aminobenzenesulfonic 3d rendering science scientific organic bioactive cell biochemistry biology biomolecule molecule molecular structural formula skeletal geometry ball stick compound component herbal biocide plant hormone auxin growth herbicide defoliant agent orange