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. 2020 Aug 17;12(8):526. doi: 10.3390/toxins12080526

Figure 1.

Figure 1

Structures of epoxyjanthitrems I–IV (1–4), epoxyjanthitriol (5), janthitrem A (6), janthitrem B (7), janthitrem C (8), janthitrem D (9), lolitrem B (10), lolitriol acetate (11), lolitrem E (12), lolitrem F (13), 31-epi-lolitrem B (14), 31-epi-lolitrem F (15), paxilline (16) and terpendole C (17). Note that the numbering system used in this study is one modified by Miles et al. [27] and Babu et al. [24] rather than that used previously for janthitrem compounds [28] to allow direct comparison of NMR chemical shifts of related indole-diterpenoids.