TY  - JOUR 
T1  - Pterocarpans and a novel flavanone from harpalyce brasiliana roots
JO  - Journal of the Brazilian Chemical Society
A1  - Araújo, Renata M. de
A1  - Lima, Mary Anne S.
A1  - Silveira, Edilberto R.
SN  - 0103-5053
UL  - 10.1590/S0103-50532009000500019
VL  - 20 
Y1  - 2009
PB  - Brazil 
ER  -