Design of donor-acceptor small molecules based on diazaisoindigo unit: Synthesis, theoretical calculations and photophysical studies - Martin, M.B.; Recuero, Á.; Garzón-Ruiz, A.; Moral, M.; García-Espejo, G.; Cabanillas-Gonzalez, J.; de Miguel, G.; García-Frutos, E.M. (Dyes and Pigments, 2023)