]>
Table 1: Elemental analysis.

Serial no. Compounds Calculated Found

1 3aC, 64.69, H, 5.92; N, 13.72C, 64.85, H, 5.97, N, 13.81
2 3bC, 66.04; H, 6.47; N, 12.84C, 65.80; H, 6.40; N, 12.76
3 3cC, 66.04; H, 6.47; N, 12.84C, 66.22, H, 6.62, N, 12.93
4 4C, 63.40; H, 5.73; N, 11.38C, 63.42, H, 5.68, N, 11.36
5 5aC, 64.69; H, 5.92; N, 13.72C, 64.88; H, 5.86; N, 13.68
6 5bC, 66.04; H, 6.47; N, 12.70C, 65.82, H, 6.55, N, 13.00
7 6aC, 59.33; H, 4.98; N, 12.58C, 59.28 H, 4.92, N, 12.38
8 6bC, 60.89; H, 5.54; N, 11.84C, 60.31; H, 5.44; N, 11.62
9 6cC, 60.89; H, 5.54; N, 11.84C, 60.31; H, 5.44; N, 11.61
10 7C 57.63; H, 4.84; N, 30.55C, 57.79; H, 4.86; N, 30.70
11 8C, 70.95; H, 5.41; N, 15.04C, 71.014; H, 5.24; N, 14.99