3-Chloro-5-(chloromethyl)-8-oxa-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2,4,6-tetraene 5g

3-Chloro-5-(chloromethyl)-8-oxa-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2,4,6-tetraene 5g