[4*][N+](=O)[O-] 42
[4*]Br 16
[4*]C#C 2
[4*]C#N 2
[4*]C(F)(F)F 2
[4*]CC 2
[4*]Cl 196
[4*]F 2
[4*]N 10
[4*]NC(=O)C 4
[4*]NC(=O)NC(C)(CO)CO 2
[4*]NO 2
[4*H] 46