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Thirteen triterpenoids, including three new ones, miyoshianols A (1), B (2) and C (3), were isolated from Huperzia miyoshiana . The structures of these new compounds were established as 3 O dihydroferuloyltohogenol (1) , 16 oxo 3 β ,21 β dihydroxy serrat 14 en 24 ferulate (2) and 16 oxo 3 α ,21 β dihydroxy serrat 14 en 24 ferulate (3), respectively, on the basis of their spectroscopic analysis.
Thirteen triterpenoids, including three new ones, miyoshianols A (1), B (2) and C (3), were isolated from Huperzia miyoshiana. The structures of these new compounds were established as 3 O dihydroferuloyltohogenol (1), 16 oxo 3 beta , 21 β dihydroxy serrat 14 en 24 ferulate (2) and 16 oxo 3 α, 21 β dihydroxy serrat 14 en 24 ferulate (3), respectively, on the basis of their spectroscopic analysis.