fenestranes

https://doi.org/10.1351/goldbook.F02336
F02336.png
Compounds of the general formula shown above. They may be considered to be @S05881@ having bridges of carbon atoms connecting the α and α' positions.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1335 [Terms] [Paper]