Ethyl 9-hydroxy-11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12),9-tetraene-10-carboxylate 1g

Ethyl 9-hydroxy-11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12),9-tetraene-10-carboxylate 1g