COc1ccc([SH](=O)(O)NCc2ccncc2)cc1OC 380 Strange valence at S C[SH](=O)(O)C1=C(O)C(=O)N(CCCC(=O)O)C1c1ccccc1 460 Strange valence at S Cc1cc(C(=C2C=CC(=[Cl+])C=C2)c2ccc(N(CCO)CCO)c(C)c2)ccc1N(CCO)CCO 252 Strange valence at Cl