7-Ethyl-3,4,6,8-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,7-trien-5-one 1g

7-Ethyl-3,4,6,8-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,7-trien-5-one 1g