Provided is a process for recovery of gold from gold-bearing raw materials comprising (a) leaching said gold-bearing raw material in a chloride containing leaching solution containing a total concentration of less than 120 g/L of halide ions, whereby the total concentration of chloride ions is less than 120 g/L of to dissolve gold and to obtain a leach solution comprising gold in solution; and simultaneously contacting the leach solution comprising gold in solution with a re-sorptive material to obtain a leach solution comprising gold-bearing re-sorptive material; and (b) recovering gold and optionally silver from the said gold-bearing re-sorptive material.Se proporcionan compuestos, métodos, y composiciones farmacéuticas para tratar infecciones por el virus Filoviridae administrando ribósidos, fosfatos de ribósido, y profármacos del mismo, de Fórmula IV: Los compuestos, composiciones, y métodos provistos son particularmente útiles para el tratamiento de infecciones por el virus de Marburg, virus de Ebola y virus Cueva.