https://www.thevespiary.org/rhodium/Rhodium/chemistry/cucl.txt (https://www.thevespiary.org/rhodium/Rhodium/chemistry/cucl.txt)
https://www.thevespiary.org/rhodium/Rhodium/chemistry/wacker.krv.txt (https://www.thevespiary.org/rhodium/Rhodium/chemistry/wacker.krv.txt)