It’s only fair to share… Donafenib CAS 1130115-44-4, CM-4307, Zepsun, 41XGO0VS1U 4-[4-[[4-chloro-3-(trifluoromethyl)phenyl]carbamoylamino]phenoxy]-N-(trideuteriomethyl)pyridine-2-carboxamide CM-4307 is under investigation in clinical trial NCT03602495 (Donafenib in 131I-Refractory Differentiated Thyroid Cancer). Donafenib, sold under the brand name Zepsun, is a pharmaceutical drug for the treatment of cancer. In China, donafenib is approved for the treatment of unresectable hepatocellular carcinoma in patients who have …