@article{srivastava_seabra_1997,  title={Preparation and reactions of 3-[3-(aryl)-1,2,4-oxadiazol-5-yl]: propionic acids},  volume={8},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531997000400013},  DOI={10.1590/S0103-50531997000400013},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Srivastava, R.M and Seabra, G.M},  year={1997},  pages={397–405} }