3H-Indolium, 2-[3-[1-[3-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]propyl]-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene]-1-propen-1-yl]-1-[3-[(4-methoxyphenyl)diphenylmethoxy]propyl]-3,3-dimethyl-, chloride (1:1) [ 182873-76-3 ]