@article{martins_freitag_zimmermanna_sinhorin_cúnico_bastos_zanatta_bonacorso_2001,  title={Molecular Structure of Heterocycles: 6. Solvent Effects on the 17O Nmr Chemical Shifts of 5-Trichloromethylisoxazoles},  volume={12},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532001000600019},  DOI={10.1590/S0103-50532001000600019},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Martins, Marcos A. P. and Freitag, Rogério A. and Zimmermanna, Nilo E. K. and Sinhorin, Adilson P. and Cúnico, Wilson and Bastos, Giovani P. and Zanatta, Nilo and Bonacorso, Helio G.},  year={2001},  month={Nov},  pages={804–808} }