2,2-dimethyl-6-(4-nitrophenyl)-4-phenyl-1,3-diazabicyclo[3.1.0]hex-3-ene

2,2-Dimethyl-6-(p-nitrophenyl)-4-phenyl-1,3-diazabicyclo[3.1.0]hex-3-ene

2,2-Dimethyl-4-phenyl-6-(4-nitrophenyl)-1,3-diazabicyclo[3.1.0]hexane-3-ene