Nguyen, H. and Tran, P. (2016) “Friedel-Crafts acetylation of indole, 5-methoxyindole and 5-chloroindole using copper triflate under microwave irradiation”, Science and Technology Development Journal, 19(4), pp. 177-184. doi: https://doi.org/10.32508/stdj.v19i4.621.