" /> " /> " /> confirm the structures proposed from spectroscopic data. confirm the structures proposed from spectroscopic data. confirm the structures proposed from spectroscopic data. isolated from Uvaria dulcis Dunal. The determination of its crystal isolated from Uvaria dulcis Dunal. The determination of its crystal isolated from Uvaria dulcis Dunal. The determination of its crystal structure and that of its bromo derivative were carried out to structure and that of its bromo derivative were carried out to structure and that of its bromo derivative were carried out to