2',4',6'-Trichloro-2-chloroacetanilide 2,2',4',6'-Tetrachloroacetanilide 22303-34-0 Acetamide, 2-chloro-N-(2,4,6-trichlorophenyl)- Acetanilide, 2,2',4',6'-tetrachloro- NSC159614 WLN: G1VMR BG DG FG