Authors: El-Abadelah, MM Sabri, SS Khanfar, MA Voelter, W Maichle-Mossmer, C

Citation: Mm. El-abadelah et al., X-ray crystal structure analysis of substituted 5-(2,3-dihydro-7-benzofuryl)-2-methylpyrazolo [4,3-d]pyrimidin-7-one (iso-Biagra), Z NATURFO B, 55(11), 2000, pp. 1079-1082

Authors: El-Abadelah, MM Sabri, SS Khanfar, MA Voelter, W Abdel-Jalil, RJ Maichle-Mossmer, C Al-Abed, Y

Citation: Mm. El-abadelah et al., Synthesis and properties of alpha-thiagra. A substituted 5-(2-thienyl)pyrazolo[4,3-d]pyrimidin-7-one bioisostere of viagra (R), HETEROCYCLE, 53(12), 2000, pp. 2643

Authors: Voelter, W Maichle-Mossmer, C Khanfar, MA El-Abadelah, MM Sabri, SS

Citation: W. Voelter et al., X-ray structure analysis of substituted 5-(2,3-dihydro-7-benzofuryl)-1-methylpyrazolo[4,3-d]pyrimidin-7-one (Biagra), Z NATURFO B, 54(12), 1999, pp. 1602-1605

Authors: Voelter, W El-Abadelah, MM Sabri, SS Khanfar, MA

Citation: W. Voelter et al., Synthesis and properties of Biagra. A 5-(2,3-dihydro-7-benzofuryl) analog of Viagra((R)), Z NATURFO B, 54(11), 1999, pp. 1469-1473

Authors: El-Abadelah, MM Sabri, SS Khanfar, MA Voelter, W Maichle-Mossmer, C

Citation: Mm. El-abadelah et al., X-ray structure analysis of iso-sildenafil (iso-Viagra), Z NATURFO B, 54(10), 1999, pp. 1323-1326