Title: 2,2'-Bis(4-fluoro-anilino)-3,3'-(3,6-dioxa-octane-1,8-di-yl)diquinazolin-4(3H)-one.
Journal: Acta crystallographica. Section E, Structure reports online 20090101
Title: 5-Butyl-amino-6-(4-fluoro-phen-yl)-7-oxo-1-p-tolyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile.
Journal: Acta crystallographica. Section E, Structure reports online 20080501