2-[5-[1,3-Dihydro-1-[3-(4-methoxytriphenylmethoxy)propyl]-3,3-dimethyl-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-[3-[N,N-diisopropylamino(2-cyanoethoxy)phosphinoxy]propyl]-3,3-dimethyl-3H-indolium [ 351186-76-0 ]