11,13-Dimethyl-4,5,7,11,13-pentaazatricyclo[7.4.0.0,2,6]trideca-1,3,6,8-tetraene-10,12-dione 1g

11,13-Dimethyl-4,5,7,11,13-pentaazatricyclo[7.4.0.0,2,6]trideca-1,3,6,8-tetraene-10,12-dione 1g