Enantiopure Double ortho-Oligophenylethynylene-Based Helical Structures with Circularly Polarized Luminescence Activity - Reiné P; Ortuño AM; Resa S; Álvarez de Cienfuegos L; Ribagorda M; Mota AJ; Abbate S; Longhi G; Miguel D; Cuerva JM (Chemphotochem, 2022)