1,2,4,5-TETRACHLORO-3-METHOXYBENZENE 2,3,5,6-Tetrachloroanisole 6936-40-9 AI3-22330 Anisole, 2,3,5,6-tetrachloro- Benzene, 1,2,4,5-tetrachloro-3-methoxy- (9CI) EINECS 230-061-0 NSC 21468