13-Oxo-12-oxa-2,3,7-triazatricyclo[7.4.0.0,2,6]trideca-1(9),3,5,7-tetraene-5-carbonitrile 1g

13-Oxo-12-oxa-2,3,7-triazatricyclo[7.4.0.0,2,6]trideca-1(9),3,5,7-tetraene-5-carbonitrile 1g