Collect. Czech. Chem. Commun.
1969, 34, 4005-4010
https://doi.org/10.1135/cccc19694005
The structure and ultraviolet absorption spectra of isothiocyanates of 4-substituted diphenyl sulphides, sulphoxides and sulphones
M. Uher, P. Kristian, T. Sticzay and K. Antoš