\sixheterov[bdf]{
2s==\octamethylene{5==\downnobond{N}{H};
8s==\sixheterov[bdf]{}{2==OH;3==OH;5==(yl)}[]
}{1==(yl);4Sd==H;4Su==CH$\bf_3$}
}{5==HO}[]
\put(1650,730){
\scalebox{0.6}{$\bullet$}
\put(-20,-20){
\sffamily\bfseries HCl
}
\put(-600,-500){
\text{及び鏡像異性体}
}
}