@article{el-deen_1992, 
  title={Synthesis and Reactions of a 4-Methyl-3-(3'-thione)-1',2',4'-triazol-5'-ylcoumarin}, 
  DOI={10.5281/zenodo.6087844}, 
  abstractNote={Faculty of Education at El-Arish, Suez Canal University, Port-Said, Egypt, A.R.E, <em>Manuscript received 30 March 1992, accepted 1 July 1992</em> Synthesis and Reactions of a 4-Methyl-3-(3'-thione)-1',2',4'-triazol-5'-ylcoumarin.}, 
  publisher={Zenodo}, 
  author={EL-DEEN}, 
  year={1992}, 
  month={Sep}
  }