WAbamectin
WArprinocid
WArsenamide
WAvermectin
WBephenium hydroxynaphthoate
WBithionol
WCarbadox
WClopidol
WCymiazole
WDichlorophen
WDiclazuril
WDiethylcarbamazine
WDimetridazole
WEmodepside
WEprinomectin
WEthopabate
WFlubendazole
WHalofuginone
WHycanthone
WIsometamidium chloride
WIvermectin
WMalathion
WMelarsomine
WMetrifonate
WNarasin
WNiridazole
WNitazoxanide
WNitroxinil
WOltipraz
WOryzalin
WOxamniquine
WOxantel
WPermethrin
WPraziquantel
WPropamidine
WQuinapyramine
WSalicylhydroxamic acid
WSalinomycin
WSelamectin
WStibophen
WTetraphenylporphine sulfonate
WTiabendazole
WToltrazuril