Perchloroisophthalonitrile, TPN, 2,4,5,6-tetrachloro-1,3-benzenedicarbonitrile, Nopcocide, Bravo, 2,4,5,6-tetrachloroisophthalodinitrile, Daconil, 2,4,5,6-tetrachloro-1,3-dicyanobenzene, 2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile, CHLOROTHALONIL, 1,3-Benzenedicarbonitrile, 2,4,5,6-tetrachloro-, 2,4,5,6-Tetrachloroisophthalonitrile, Tetrachloroisophthalodinitrile, Chloroalonil, 1,3-dicyano-2,4,5,6-tetrachlorobenzene, m-Tcpn, 1,3-dicyanotetrachlorobenzene, meta-TCPN, Tetrachloroisophthalonitrile, Tetrachloroisophthalonitrile, aqueous dispersion, Tetrachloroisophthalonitrile in aqueous suspension, 2,4,5,6 Tetrachloroisophtalonitril, Chlorothalonil solution, Chlorothalonil 96%, silica gel 4%