@article{article6a329042,
title   = {Non-substituted B-ring flavonoids and an indole alkaloid from Piper aleyreanum (Piperaceae)},
author = {Facundo, Valdir A. and Bálico, Laudir J. and Lima, Daniela K. S. and Santos, Adair R. S. and Morais, Selene M. and Silva, Gil Valdo José da and Militão, Júlio S. L. T.},
year = {2012},
doi = {10.1016/j.bse.2012.07.010},
journal   = {Biochemical Systematics and Ecology}
}