Shehab, O. R., and A. M. Mansour,
"Sparfloxacin charge transfer complexes with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and tetracyanoquinodimethane: Molecular structures, spectral, and DFT studies",
Journal of Molecular Structure, vol. 1093, pp. 186-194, 2015.