\sixheteroh[ace]{}{
1==\tetrahedral{0==NH;4==(yl);
2==\tetrahedral{0==S;1D==O;2==CH$\bf_3$;3D==O;4==(yl)}
};4==\tetrahedral{1==OH;2==(yl);0==CHCH$\bf_2$NHCH(CH$\bf_3$)$\bf_2\ \raisebox{0.7mm}{\scalebox{0.6}{$\bullet$}}\ $HCl}
}[]
\sixheteroh[ace]{}{
1==\tetrahedral{0==NH;4==(yl);
2==\tetrahedral{0==S;1D==O;2==CH$\bf_3$;3D==O;4==(yl)}
};4==\tetrahedral{1==OH;2==(yl);0==CHCH$\bf_2$NHCH(CH$\bf_3$)$\bf_2\ \raisebox{0.7mm}{\scalebox{0.6}{$\bullet$}}\ $HCl}
}[]