https://www.thevespiary.org/rhodium/Rhodium/chemistry/oxonemethod.txt (https://www.thevespiary.org/rhodium/Rhodium/chemistry/oxonemethod.txt)
https://www.thevespiary.org/rhodium/Rhodium/chemistry/oxone.epoxidation.html (https://www.thevespiary.org/rhodium/Rhodium/chemistry/oxone.epoxidation.html)