@article{article2390a62b,
title   = {Arenosclerins A-C and haliclonacyclamine E, new tetracyclic alkaloids from a brazilian endemic haplosclerid sponge Arenosclera brasiliensis},
author = {Torres, Yohandra Reyes and Berlinck, Roberto Gomes de Souza and Magalhães, Alviclér and Schefer, Alexandre Bezerra and Ferreira, Antonio G. and Hajdu, Eduardo and Muricy, Guilherme},
year = {2000},
journal   = {Journal of Natural Products}
}