2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-2,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-, monohydrochloride, mixed with potassium nitrite Oxytetracycline hydrochloride mixed with potassium nitrite Potassium nitrite mixed with oxytetracycline hydrochloride QI8250000