TRICLABENDAZOLE SULFOXIDE;6-chloro-5-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1h-benzimidazole;triclabendazole sulfoxide:6-chloro-5-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1h-benzIMIDAZOLE;6-chloro-5-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1H-benzo[d]imidazole;133009;Triclabendazole Sulfoxide Standard;1H-Benzimidazole, 6-chloro-5-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-;Triclabendazole EP Impurity A