@article{janzen_diniz_azevedo_pinto_sanches_dutra_2021,  title={Qualitative and quantitative evaluation of epoxy systems by Fourier transform infrared spectroscopy and the flexibilizing effect of mercaptans},  volume={93},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765202120200799},  DOI={10.1590/0001-3765202120200799},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={JANZEN, DANIEL ANDERSON and DINIZ, MILTON F. and AZEVEDO, JOYCE B. and PINTO, JULIANO R.A. and SANCHES, NATÁLIA B. and DUTRA, RITA DE CÁSSIA L.},  year={2021},  pages={e20200799} }