1H-Phosphindolium, 3-ethoxy-1,1-diphenyl-, chloride

3'-ethoxy-8',8'-diphenyl-8'H-8'5-spiro[fluorene-9,2'-phosphindolo[1,2-b][1,2]oxaphosphete]

(1,1-diphenyl-1λ5-phosphindol-3-ylidene)-acetonitrile

2-(1,1-diphenyl-1λ5-phosphindol-3-ylidene)-1-phenyl-ethanone