SEARCH Articles Figures Tables 1.3- Oxazin-6-ones From oxazines L,3-Oxazin-2-ones L,3-Oxazin-2-ones, tetrahydro— from Oxazines tetrahydro— from Oxidourethans 1.3- oxazin-2-ones Oxidourethans tetrahydro Tetrahydro-1,3-oxazines Tetrahydro-1,4-oxazin-2-ones Tetrahydro-2//-l,3-oxazine-2-one