https://www.universitycube.net/urlref/https%3A%2F%2Fchemrxiv.org%2Fengage%2Fapi-gateway%2Fchemrxiv%2Fassets%2Forp%2Fresource%2Fitem%2F657b52b466c13817292f2f20%2Foriginal%2Fpincer-ligated-iridium-complexes-with-low-field-ancillary-ligands-complexes-of-i-pr-pcp-ir-cl2-and-comparison-with-i-pr-pcp-ir-h-cl.pdf