107719-74-4 2-(2-Methylimidazo(1,2-a)pyridin-3-yl)-4,6-dihydro-1,3,4-oxadiazin-5-one 2-(2-Methylimidazo(1,2-a)pyridin-3-yl)-4H-1,3,4-oxadiazin-5(6H)-one 4H-1,3,4-Oxadiazin-5(6H)-one, 2-(2-methylimidazo(1,2-a)pyridin-3-yl)-