O=[N+]([O-])c1nonc1[NH2+][O-] 105 Strange valence at N CC(C)[C@@H]1CC[C@@H](C)CC12SCC[S]2O 224 Strange valence at S CC(C)[C@@H]1CC[C@@H](C)CC12SCC[S]2O 225 Strange valence at S CC(C)[C@@H]1CC[C@@H](C)CC12[S](O)CC[S]2O 227 Strange valence at S C#Cc1ccc(S(=O)(=O)N=C(O)CC[N+]2=C3C=CC(=N[N+]#N)C=C3C3(CCCCC3)c3cc(=NN=[N-])cc[c-]32)cc1 118 Strange valence at N