2-hydroxy-1,4-naphthoquinone silver salt; silver salt of 2-hydroxy-1,4-naphthoquinone; 2-Hydroxy-[1,4]naphthochinon Silbersalz; 2-Hydroxy-[1,4]naphthochinon Silber(I)-Verbindung; silver deriv. of 2-hydroxynaphthalene-1,4-dione; Silbersalz des 2-Oxy-naphthochinons-(1.4)