@article{singh_geetanjali_2005,  title={Novel synthetic methodology for metalloporphyrins in ionic liquid},  volume={16},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532005000400030},  DOI={10.1590/S0103-50532005000400030},  number={3b},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Singh, Ram and Geetanjali},  year={2005},  month={May},  pages={666–668} }