Isodons A-H, seco-abietane and abietane-type diterpenoids from Isodon lophanthoides: isolation, structural elucidation, and anti-cholestatic activity
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Eight new diterpenoids, Isodons A-H (1-8), comprising seco-abietane and abietane-type structures, together with 13 known analogues (9-21), were isolated from Isodon lophanthoides (Buch.-Ham. ex D. Don) Hara. The compounds (+)-3/(-)-3, (+)-4/(-)-4, and (+)-5/(-... ...