Instructions: Given a title, a list of keywords and main findings, create an abstract for a scientific article.
Title: Coumaronochromones and flavanones from Euchresta formosana roots.
Keywords: spectroscopic analyses, roots, structures.
Main findings: 5,7,4'-Trihydroxy-3',8-diprenylflavanone, euchretin G were isolated from Euchresta japonica. Euchresta formosana produces formosanatins A-D, euchrenone a16, euchretin E, euchretin G, Daidzein, euchrestaflavanone A.
Abstract: In your response, use words with all capital letters at least 18 times.
user