“Synthesis and Crystal Structure of Two Nitro-Regioisomers of cis-4-(4-Methoxyphenyl)-3-Methyl-2-Phenyl-1,2,3,4-Tetrahydroquinoline”, Univ. Sci., vol. 18, no. 1, pp. 65–72, Feb. 2013, doi: 10.11144/javeriana.SC18-1.scsn.