The structure of a novel sesterterpenoid designated as nitidasin (1), isolated from the whole plant of Gentianella nitida, has been determined by extensive spectroscopic investigation and X-ray analysis.
Kawahara, N., Nozawa, M., Flores, D., Bonilla, P., Sekita, S., Satake, M., & Kawai, K. I. (1997). Nitidasin, a novel sesterterpenoid, from the Peruvian folk medicine 'Hercampuri' (Gentianella nitida). Chemical and Pharmaceutical Bulletin, 1717-1719. https://doi.org/10.1248/cpb.45.1717