Dibenzo-1,3a,4,6a-tetraazapentalene

Parameter ppm Hz D(A) 8.112 D(B) 7.333 D(C) 7.552 D(D) 7.858 J(A,B) 8.47 J(A,C) 1.05 J(A,D) 0.79 J(B,C) 7.00 J(B,D) 0.93 J(C,D) 8.73 HALL,J.H. ET AL. J.ORG.CHEM. 33, 2951 (1968)

     Hz     ppm     Int.

   2438.79   8.129    530
   2437.91   8.126    809
   2437.03   8.123    543
   2430.34   8.101    570
   2429.46   8.098    870
   2428.58   8.095    583
   2362.78   7.876    516
   2361.96   7.873    828
   2361.15   7.870    516
   2354.07   7.847    625
   2353.26   7.844   1000
   2352.44   7.841    620
   2273.96   7.580    456
   2272.91   7.576    458
   2266.97   7.557    578
   2265.89   7.553    642
   2264.20   7.547    400
   2258.26   7.528    473
   2257.20   7.524    461
   2207.82   7.359    542
   2206.90   7.356    541
   2200.82   7.336    475
   2199.44   7.331    665
   2198.46   7.328    532
   2192.38   7.308    412
   2191.47   7.305    405