3-Chloro-12-oxa-4,7,8-triazatricyclo[7.4.0.0,2,7]trideca-1,3,5,8-tetraene 1g

3-Chloro-12-oxa-4,7,8-triazatricyclo[7.4.0.0,2,7]trideca-1,3,5,8-tetraene 1g