O. Estévez-Hernández, J. Rodríguez-Hernández, H. Yee-Madeira, and J. Duque, 1-(2-furoyl)-3,3-(diphenyl)thiourea: spectroscopic characterization and structural study from x-ray powder diffraction using simulated annealing, Rev. Mex. Fís. 61, (2015).