CN1C=CC(=c2nc3c(s2)=CC=CC3=[Cl+])C=C1	236	Strange valence at Cl
CCN1C=CC(=c2nc3c(s2)=CC(=[F+])C=C3)C=C1	294	Strange valence at F
CCCN1C=CC(=c2nc3c(s2)=CC=CC3=[Cl+])C=C1	232	Strange valence at Cl
CCN1C=CC(=c2nc3c(s2)=CC=CC3=[Cl+])C=C1	438	Strange valence at Cl
CCCN1C=CC(=c2nc3c(s2)=CC(=[F+])C=C3)C=C1	496	Strange valence at F
N=C1Nc2ccccc2[NH+]([O-])N1	236	Strange valence at N