@article{ author = {Hosseinzadeh, Syedeh Fatemeh, Mokhtary, Masoud}, title = {Application of Nicotinic Acid Functionalized Chlorosulfonic Acid as a Green Catalyst for the Synthesis of Bis(2-methyl-1Hindole)Derivatives}, journal = {Journal of Applied Chemical Research}, year = {2018}, volume = {12}, number = {3}, pages = {31-41}, doi = {} }