6-(cyclopropanecarboxamido)-N-(hydroxymethyl)-4-((2-methoxy-3-(1-methyl-1H-1,2,4-triazol-3-yl)phenyl)amino)pyridazine-3-carboxamide-d26-(cyclopropanecarboxamido)-N-(hydroxymethyl)-4-((2-methoxy-3-(1-methyl-1H-1,2,4-triazol-3-yl)phenyl)amino)pyridazine-3-carboxamide-d2,Deucravacitinib