The invention provides a novel pyridopyrazine compound salt of the following formula and its crystal, which are very satisfactory in solubility and stability.
More particularly, the compound of the above formula, its solvate and their crystals are provided.
本发明提供了一种新颖的下式
吡啶并
吡嗪化合物盐及其晶体,其溶解性和稳定性非常令人满意。
更具体地说,本发明提供了上式化合物、其溶解物及其晶体。