Thieno[2,3-d]pyrimidine-5-methanaminium, 1-[(2,6-difluorophenyl)methyl]-6-[4-[[(ethylamino)carbonyl]amino]phenyl]- 1,2,3,4-tetrahydro-N,N-dimethyl-2,4-dioxo-3-phenyl-N-(phenylmethyl)-, iodide