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[Isolation and structure elucidation of three dihydrophenanthrenes from Ephemerantha lonchophylla]
1Institute of Traditional Chinese Medicine & Pharmacology, Nanjing University of Traditional Chinese Medicine, Nanjing 210029.
Abstract:
In this paper, three dihydrophenanthrenes are isolated from the Stems and pseudobulbs of Ephemerantha lonchophylla (Orchidaceae). They are identified as Iusianthridin (1), ephemeranthol-B (2) and erianthridin (3) by spectral data.