Constituents of a fern, Davallia mariesii Moore. II. Identification and 1H- and 13C-nuclear magnetic resonance spectra of procyanidin B-5, epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin, and epicatechin-(4 beta----6)-epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin.
Source:http://linkedlifedata.com/resource/pubmed/id/1525945
