Montecrinanes A-C: Triterpenes with an Unprecedented Rearranged Tetracyclic Skeleton from Celastrus vulcanicola. Insights into Triterpenoid Biosynthesis Based on DFT Calculations

1. Purino, M.
2. Ardiles, A.E.
3. Callies, O.
4. Jiménez, I.A.
5. Bazzocchi, I.L.