Synthesis and biological activity of 5-nitrofuran-containing (1,3,4-thiadiazol-2-yl)piperazine moieties as a new type of anti-Helicobacter pylori heterocycles oleh ABBAS SHAFIEE, ESKANDAR ALIPOUR, MARYAM OMRANI, MOHSEN VOSOOGHI, FARIDEH SIAVOSHI, MARYAM NAKHJIRI, SAEED EMAMI, SEYED ESMAEIL SADAT-EBRAHIMI, AZADEH YAHYA-MEYMANDI, MOHAMMAD HASSAN MOSHAFI, ALIREZA FOROUMADI