Chemical constituents of Miliusa sinensis Finet et Gagnep. (Annonaceae). Part 1 - Flavonoides
Four methoxy flavanones: pinostrohin (1), 5-hydro.\y-7,4'-dimethoxy flavanone (2), 5-hydroxy-6,7-dimethoxy flavanone (3) and 5-hydro.xy-7.8-dimetho.\y flavanone (4) were isolatedfi'om the n-hexane extract of Miliusa sinensis. Their structures were elucidated by analysis of MS and NMR spectra and comparison with the published data.