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. 2023 Feb 21;120(9):e2220934120. doi: 10.1073/pnas.2220934120

Fig. 5.

Fig. 5.

Two proposed mechanistic routes to nitrogenous sesquiterpenoids from sponge TS products. (A) Proposed mechanism to yield undescribed Bubarida natural product 2 from uBuTS-1 product 6. (B) Proposed mechanism to yield undescribed Bubarida natural product 1 from uBuTS-2 product 8.