1,3-diazabicyclo[3.1.0]hex-3-ene, 2,2-dimethyl-4-(2-naphthalenyl)-6-(4-nitrophenyl)- 2,2-dimethyl-4-(2-naphthyl)-6-(4-nitrophenyl)-1,3-diazabicyclo[3.1.0]hex-3-ene InChI=1/C22H19N3O2/c1-22(2)23-19(17-8-7-14-5-3-4-6-16(14)13-17)21-20(24(21)22)15-9-11-18(12-10-15)25(26)27/h3-13,20-21H,1-2H