@article{gaubeur_rossi_iha_suárez-iha_2000,  title={Amphoteric behavior of di-2-pyridyl ketone benzoylhydrazone in ethanol-water mixtures},  volume={25},  ISSN={0100-4670},  url={https://doi.org/10.1590/S0100-46702000000100006},  DOI={10.1590/S0100-46702000000100006},  journal={Eclética Química},  publisher={Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP},  author={GAUBEUR, Ivanise and ROSSI, Maura Vincenza and IHA, Koshun and SUÁREZ-IHA, Maria Encarnación Vázquez},  year={2000},  pages={63–76} }