\sixheterov[bdf]{
2s==\octamethylene{3==\downnobond{N}{H};6==N;8==CH$\bf_3$;
7s==\sixheterov[]{1==CH$\bf_3$;5==}{4==(yl)}[abcd]
}{1==(yl)};
3s==\sixheterov[]{2==O;3==CH$\bf_3$}{1==(yl)}[cdef]
}{5==H$\bf_2$N;6==Cl}[]
\put(800,-100){\tetrahedral{0==$\raisebox{-0.5mm}{\scalebox{2}{$\cdot$}}$2HCl$\raisebox{-0.5mm}{\scalebox{2}{$\cdot$}}$H$\bf_2$O}}