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сульфонитразо ДАФstresses
chem. sulfonitrazo DAF (MichaelBurov); sulfonitrazo DAF reagent (MichaelBurov); 3 sulfo 5 nitro 4' diethylamino 2,2' dihydroxyazo benzene (MichaelBurov)
сульфонитразо ДАФ: 4 phrases in 1 subject
Chemistry4