Two new ellagitannin dimers, cuphiins D1 and D2, and six known compounds including oenothein B and woodfordin C have
been isolated from the aerial part of Cuphea hyssopifolia (Lythraceae). Macrocyclic structures of the new tannins were elucidated
based on chemical and spectral evidence. # 1998 Elsevier Science Ltd. All rights reserved.