Moore, A. J., Bryce, M. R., Batsanov, A. S., Lehmann, C. W., & Howard, J. A. K. (1997). New tetrathiafulvalene derivatives bearing thioamide substituents. Synthetic Metals, 86(1-3), 1901-1902. doi:10.1016/S0379-6779(97)80956-3.