Drigo, N. ., Paek, S. ., Huckaba, A. ., Schouwink, P. ., Tabet, N. ., & Nazeeruddin, M. . (2017). Approaches for Selective Synthesis of Ullazine Donor-Acceptor Systems. Chemistry (Weinheim an Der Bergstrasse, Germany), 23(68), 17209-17212. https://doi.org/10.1002/chem.201704694 (Original work published 2017)