CN(C)C(=[F+])N(C)C 308 Strange valence at F Cn1ccc2cc(=[Br+])ccc-2c1 434 Strange valence at Br Fn1c(Cl)cccc1=[Cl+] 219 Strange valence at Cl Fn1c(Cl)cccc1=[Cl+] 226 Strange valence at Cl CN(C)C(=[Cl+])N(C)C 290 Strange valence at Cl [c-]1ccccc1-c1ccc2ccccc2n1 9 Error in aromatic system CN1CCN(C)C1=[Cl+] 429 Strange valence at Cl CC(C)c1cccc(C(C)C)c1-n1ccn(-c2c(C(C)C)cccc2C(C)C)c1=[Cl+] 183 Strange valence at Cl