@article{article91df2300, title = {SISTAX - An intelligent tool for recovering information on natural products chemistry}, author = {Alvarenga, Sandra Aparecida Vestri and Gastmans, Jean Pierre and Ferreira, Marcelo J. P and Rodrigues, Gilberto do Vale and Brant, Antônio Jedson Caldeira and Emerenciano, Vicente de Paulo}, year = {2003}, doi = {10.1590/s0103-50532003000300005}, journal = {Journal of the Brazilian Chemical Society} }