Form and Preparation of the sodium salt of de Gewei

The present invention relates to de Gewei new crystalline form of the sodium salt. 比德罗格韦 phase sodium crystalline forms are known, new crystalline form of the present invention have one or more beneficial properties, for example good water stability, high solubility, easy to moisture, good storage stability, particle morphology good. The present invention further relates to a new crystalline form of the sodium salt of de Gewei preparation, to pharmaceutical compositions and their use for the preparation of the treatment and / or prophylaxis of HIV-1 infected.