@article{article182a5c2a,
title   = {Flavonoids and heliangolides from lychnophora diamantinana},
author = {Costa, F B and Dias, D A and Lopes, J L C and Wichnewski, W},
year = {1993},
doi = {10.1016/s0031-9422(00)90815-x},
journal   = {Phytochemistry}
}