New Crystalline form of acid, N - 4 - 2 - (2 - amino - 4.7 - dihydro - 4 - oxo - 3h pyrrolo 2,3-d pyrimidin-5-yl) ethyl benzoyl - l-glutamic acid and preparation method thereof

摘要

A New Crystal form of the disodium salt hydrate acid, N - [4 - [2 - (2 - amino - 4.7 - dihydro - 4 - oxo - 3h pyrrolo [2,3-d] pyrimidin-5-yl) ethyl] benzoyl] - l-glutamic ("Crystalline HEPTAHYDRATE)That is a model of x-ray diffraction typically includes the following Peaks corresponding to distances interplanares 7,78 / - 0, D:04 a when is obtained with a 2% and 22% of ambient relative humidity from a Radiation source of Copper. EMI file = "01014634 _ 1" id = "1" = MFI JPEG