| abstract |
A crystal form of N- [4- [2- (2-amino-4,7-dihydro-4-oxo-3H-pyrrolo [2,3- d] pyrimidin-5-yl) ethyl disodium salt hydrate crystal ] benzoyl] -L-glutamic (crystalline form heptahydrate), which has an X-ray diffraction diagram, comprising the following peaks that correspond to distance of 7, 78 + -0, 04, when obtained at 22 + -2 ° C and% of relative environmental humidity from a source of copper radiation. |