https://webbook.nist.gov/cgi/cbook.cgi?ID=C5530972&Units=CAL&Mask=8
Dl 3,3'-bis(cyclopentenyl)
dlbis
https://research-portal.st-andrews.ac.uk/en/publications/synthesis-of-l-cyclopentenyl-nucleosides-using-ring-closing-metat/
Synthesis of L-cyclopentenyl nucleosides using ring-closing metathesis and palladium-mediated...