A 83-01 sodium from MedChemExpress

A 83-01 sodium is a potent inhibitor of TGF-β type I receptor ALK5 kinase, ALK4 and ALK7, with IC50s of 12 nM, 45 nM and 7.5 nM against the transcription induced by ALK5, ALK4 and ALK7, respectively[1]