4-Methyl-12-oxa-2,3,7-triazatricyclo[7.4.0.0,2,6]trideca-1(9),3,5,7-tetraen-13-one 1g

4-Methyl-12-oxa-2,3,7-triazatricyclo[7.4.0.0,2,6]trideca-1(9),3,5,7-tetraen-13-one 1g