四氯吡啶;

2,3,5,6-tetra-chloropyridine;2,3,5,6-tetrachlorpyridine;2,3,4,5-TETRA-O-ACETYL-1,6-DIBROMO-1,6-DIDEOXY-D-MANNITOL,WHITE SOLID;Pyridine, 2,3,5,6-tetrachloro-;2,3,5,6-Tetrachlor-pyridin;