Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-21-(4-methyl-1-piperazinyl)-, monohydrochloride, (11beta)-, mixture with 1-(2-(2,4-dichlorophenyl)-2-((2,4-dichlorophenyl)methoxy)ethyl)-1H-imidazole mononitrate