Phosphorus(1+), dichlorobis(phosphorimidic trichloridato-κN)-, (T-4)-, hexachlorophosphate(1-) (1:1), reaction products with (T-4)-dichloro[(P,P-dichlorophosphinimyl-κN)phosphorimidic trichloridato](phosphorimidic trichloridato-κN)phosphorus(1+) hexachlorophosphate(1-) (1:1) and dimethylamine, hydroxides