RETRACTED: Novel donor-acceptor type thiophene pyridine conjugates: synthesis and ion recognition features

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause.This article has been retracted at the request of the Author.Although the synthetic route to compounds 1-3 is still valid, further research by the author indicated that the ion selectivity of the compounds can be variable. Apologies are offered to readers of the journal that this irreproducibility was not detected by the author before the submission and publication process.