N-(4,5-dihydro-1H-imidazol-2-yl)-5-methyl-3,4-dihydro-2H-1,4-benzoxazin-6-amine 4,5-dihydro-1H-imidazol-2-yl-(5-methyl-3,4-dihydro-2H-1,4-benzoxazin-6-yl)amine