\vbox{
\centerline{
\structure{\longerewbonds\phantatom{H}\swphantom\atom{N}
\side{\sseabove\atom{H}}
\side{\sebelow\atom{H}}\nnesingle\atom{C}
\side{\nnwabove\atom{H}}\side{\nwbelow\atom{H}}
\esingle\atom{C}\side{\ssedouble\atom{O}}
\nnesingle\atom{O}\esingle\atom{H}}
\hskip 1cm{$\rightleftharpoons$}\hskip 1cm
\structure{\longerewbonds\phantatom{H}\swphantom\atom{N}
\side{\sseabove\atom{H}}\side{\sebelow\atom{H}}
\nnesingle\atom{C}\side{\nnwabove\atom{H}}
\side{\nwbelow\atom{H}}\esingle\atom{C}\side{\nnedouble\atom{O}}
\ssesingle\atom{O}\esingle\atom{H}}
}
\medskip 
\centerline{\bf Figure~10. \rm 
Two conformeres of neutral glycine in equilibrium.}
}