The present invention relates to a crystalline form of
6-[(2,2-diphenylethyl)amino]-9-(N-ethyl-.beta.-D-ribofuranosyluronamide)-N
-(2-{N'-[1-(2-pyridyl)-4-piperidyl]ureido}ethyl)-9H-purine-2-carboxamide
and to a process for the preparation of, compositions containing and the
uses of such a crystalline form.
La presente invenzione riguarda una forma cristallina di 6-[(2,2-diphenylethyl)amino]-9-(N-ethyl-.beta.-D-ribofuranosyluronamide)-N -(2-{N'-[1-(2-pyridyl)-4-piperidyl]ureido}ethyl)-9H-purine-2-carboxamide e ad un procedimento per la preparazione di, contenere delle composizioni e gli usi di così forma cristallina.