113558-89-7 2-Methyl-6-(2-(4-(4-methylsulfonylamino)benzoylpiperidin-1-yl)ethyl)pyridine E 4031 E-4031 Methanesulfonamide, N-(4-((1-(2-(6-methyl-2-pyridinyl)ethyl)-4-piperidinyl)carbonyl)phenyl)- N-(4-((1-(2-(6-Methyl-2-pyridinyl)ethyl)-4-piperidinyl)carbonyl)phenyl)methanesulfonamide