The present invention relates to the anhydrous and hydrate forms of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine mesylate. The invention also relates to pharmaceutical compositions containing N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine mesylate and to methods of treating hyperproliferative disorders, such as cancer, by administering N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine mesylate.
This application is a continuation of U.S. Ser. No. 09/355,534, filed Jul. 29, 1999, now U.S. Pat. No. 6,706,721, which is a .sctn.371 national stage of PCT International Application No. PCT/IB99/00612, filed Apr. 8, 1999, claiming priority of U.S. Provisional Application No. 60/083,441, filed Apr. 29, 1998.
