The molecule is a member of the class of imidazo[2,1-b][1,3]oxazines resulting from the fusion of the bond between positions 2 and 1 of 1H-imidazole with the bond between positions 2 and 3 of 3,4-dihydro-2H-1,3-oxazine.
5H-imidazo[2,1-b][1,3]oxazine