Muhammad, S. S., R. M. Attia, D. I. Zaki, M. R. Shehata, and G. M. Hussein,  Synthesis, Characterization and Application of A Novel Extracting Agent 2-(4-methylphenyl)-8, 9-Dihydro-8, 8-Dimethyl-7H-Pyrazolo [1, 5-a] Quinazolin-6-one (MPHPQ) for U (VI) Removal from Sulfate Aqueous Solutions,  .