AHR antagonist 4

AHR antagonist 4 is a 2-heteroaryl-3-oxo-2,3-dihydropyridazine-4-carboxamide compound and a potent aryl hydrocarbon receptor (AHR) antagonist extracted from patent WO2018146010A1, example 293, has an IC50 of 82.2 nM. AHR antagonist 4 has anti-cancer effects.