Complex Hadamard matrices found by K. Beauchamp and R. Nicoară [3] $$N_{11B}^{(0)}=\left[\begin{array}{rrrrrrrrrrr} 1& 1& 1& 1& 1& 1& 1& 1& 1& 1& 1\\ 1& y& y& a& b& b& -1& x& -1& x& -1\\ 1& y& b& b& a& y& x& x& -1& -1& -1\\ 1& a& b& y& y& b& -1& -1& x& -1& x\\ 1& b& a& y& b& y& x& -1& -1& -1& x\\ 1& b& y& b& y& a& -1& -1& x& x& -1\\ 1&-1& x&-1& x&-1&-x/a&-x/b&-x/y&-x/y&-x/b\\ 1& x& x&-1&-1&-1&-x/b&-x/y&-x/b&-x/y&-x/a\\ 1&-1&-1& x&-1& x&-x/y&-x/b&-x/b&-x/a&-x/y\\ 1& x&-1&-1&-1& x&-x/y&-x/y&-x/a&-x/b&-x/b\\ 1&-1&-1& x& x&-1&-x/b&-x/a&-x/y&-x/b&-x/y\end{array}\right]$$ where $$x=\frac{3}{4}-i\frac{\sqrt{7}}{4}$$ and $[a, b, y] = [-x, x, -x^2]$ or $[a, b, y] = [1, -1, \bar{x}]$ are known to be isolated.