@article {30447,
	title = {Synthesis and tautomeric structure of 3,6-bis(arylazo)pyrazolo[1,5-a] pyrimidine-5,7(4H,6H)-diones},
	journal = {J. Chem. Res.},
	year = {2008},
	pages = {452-456},
	author = {Ahmad S. Shawali, and Mosselhi, Mosselhi A. N and Thoraya A. Farghaly and Mohamed. R. Shehata and Nagla M. Tawfik}
}
