%0 Journal Article %T Crystal structures of two new carbazole derivatives: 12-(4-nitro-phen-yl)-7-phenyl-sulfonyl-7H-benzofuro[2,3-b]carbazole and 2-methyl-4-(4-nitro-phen-yl)-9-phenyl-sulfonyl-9H-thieno[2,3-b]carbazole %A Arasambattu K. Mohanakrishnan %A K. Sethusankar %A K. Swaminathan %A P. Narayanan %A Velu Saravanan %J Archive of "Acta Crystallographica Section E: Crystallographic Communications". %D 2016 %R 10.1107/S2056989016016996 %K crystal structure %K carbazole derivatives %K phenylsulfonyl %K benzofuran %K thiophene %K hydrogen bonding %K C¡ªH£¿¦Ð interactions %K offset ¦Ð¨C¦Ð interactions %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5137598/