2-(o-Methylsulfonylphenyl)-3-nitrosoimidazo(1,2-a)pyridine 3369-13-9 5-23-12-00328 (Beilstein Handbook Reference) BRN 0684364 Imidazo(1,2-a)pyridine, 2-(o-methylsulfonylphenyl)-3-nitroso-