Browsing by Author Hafez Metwali El Shaaer

Showing results 1 to 1 of 1
Issue DateTitleAuthor(s)
2008SYNTHESIS, OF SOME NEW 4-OXO-4H CHROMENES Deriratives BEARING HETEROCYLIC SYSTEMS FROM HYDRAZONECABODITHIOIC ACID AND THIOCARBYDRAZONE.elfayome, Ali ; Tark El-Sayed Ali; Salah Abdel Aghfaar Abdel-Aziz; Hafez Metwali El Shaaer; Faten Ismail Hanafy