The present invention relatesto 2-amino-N-[7-methoxy-8-(3-morpholin-4-ylpropoxy)-2,3-dihydroimidazo-[1,2-c]quinazolin-5-yl]pyrimidine-5-carboxamide dihydrochloride salt of formula (II):or a tautomer, solvate or hydrate thereof and to its use for the treatment of non-Hodgkins lymphoma.