Solvent-Directed Helical Stereomutation Discloses Pathway Complexity on N-Heterotriangulene-Based Organogelators. - Valera JS; Sánchez-Naya R; Ramírez FJ; Zafra JL; Gómez R; Casado J; Sánchez L (Chemistry (Weinheim an der Bergstrasse, Germany), 2017)