Pharmaceutical and veterinary preparations for the treatment of poisons, toxins, digoxin, digitalis or other cardio-active glycoside toxicity, and pre-eclampsia; chemical reagents for medical or veterinary therapeutic and diagnostic purposes; chemical preparations for medical or pharmaceutical purposes and medicines, and chemico-pharmaceutical preparations for use in the treatment of digoxin, digitalis or other cardio-active glycoside toxicity and for use in the treatment of pre-eclampsia; chemical reagents for therapeutic and diagnostic purposes, and for medical or veterinary purposes, for the treatment of envenomation by snakes; chemical preparations for medical or pharmaceutical purposes and medicines, chemico-pharmaceutical preparations, and pharmaceutical and veterinary preparations for the treatment of envenomation by snakes