(2E)-3-{11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7,9-tetraen-10-yl}prop-2-enoic acid
3-{11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7,9-tetraen-10-yl}prop-2-enoic acid
(2E)-3-{11-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7,9-tetraen-10-yl}prop-2-enoic acid