@article{chen_liu_yang_ding_wu_2008,  title={Indium(III)-catalyzed synthesis of N-substituted pyrroles under solvent-free conditions},  volume={19},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532008000500011},  DOI={10.1590/S0103-50532008000500011},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Chen, Jiu-Xi and Liu, Miao-Chang and Yang, Xiao-Liang and Ding, Jin-Chang and Wu, Hua-Yue},  year={2008},  pages={877–883} }