Effect of peripherical groups on the two-photon brightness of (E)-3-benzyl-6-bromo-2-styryl-3H-imidazo[4,5-b]pyridine derivatives - Pelosi, André Gasparotto; Cocca, Leandro Henrique Zucolotto; Piguel, Sandrini; De Boni, Leonardo; Mendonça, Cleber Renato (Journal of Molecular Liquids, 2022)