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  • Title: Diterpenoids from Baccharis pingraea.
    Author: Wächter GA, Montenegro G, Timmermann BN.
    Journal: J Nat Prod; 1999 Feb; 62(2):307-8. PubMed ID: 10075768.
    Abstract:
    From the aerial parts of Baccharis pingraea the known furolabdane, angeloyl-gutierrezianolic acid (1); two novel diterpenoids, furolabda-6,8-dien-17-oic acid (2) and furolabd-7-en-17-oic acid (3); and the known linear diterpenoid, (10E)-centipedic acid (4), were isolated. LC/MS suggested the presence of gutierrezianolic acid (5). The structures of the new compounds were elucidated by 1D and 2D NMR methods.
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