duplicate y-axis for a nested boxplot

Hello,

I have a boxplot that is drawn inside another one. I need to display the y-tick for the right y-axis of the inner boxplot. I get confused when playing with axes.

This is what I have so far with no luck

boxplot(all,g,'symbol','ko','width',0.5);

Axes2H = axes('Units', 'normalized', 'Position', [0.18, 0.4, 0.15, 0.45]);
t=[repmat({'1'}, 1634, 1); repmat({'2'}, 2328, 1)];
boxplot([KS1;KS2],t,'width',0.5); set(Axes2H, 'YScale','log');
ax1 = Axes2H;
ax2 = axes('Position', get(ax1, 'Position'), ...
   'Color', 'none', 'YAxisLocation', 'right', ...
   'XTick', [], 'YTick', get(ax1, 'YTick'), ...
   'YLim', ylim(ax1), 'HandleVisibility', 'off');
uistack(ax1);