2,4-d 2,4-dichlorophenoxyacetic acid agent orange ingredient. synthetic auxin plant hormone, used as pesticide and herbicide and

acid agent orange ingredient synthetic auxin plant hormone used as pesticide herbicide dichlorophenoxyacetic 4d crop broadleaf dioxin tcdd defoliant vietnam war carcinogen cancer carcinogenic tumor als environment pollution chlorine carbon hydrogen oxygen molecule atoms atomic model molecular are represented spheres conventional color coding white grey red green