Synonyms: P 64433;2,6-Dichloro-.alpha.-(4-chlorophenyl)-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)- yl)benzeneacetonitrile;Benzeneacetonitrile, 2,6-dichloro-alpha-(4-chlorophenyl)-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-;Benzeneacetonitrile,2,6-dichloro-R-(4-chlorophenyl)- 4-(4,5-dihydro-3,5-dioxo-1,2,4- triazin-2(3H)-yl)-;2-(4-chlorophenyl)-2-[2,6-dichloro-3-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]acetonitrile;2-(4-chlorophenyl)-2-[2,6-dichloro-4-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]acetonitrile;Diclaznril;