abstract |
Provided in the present invention are a salt of an ortho-aminopyridynyl-containing compound as shown in formula (2), a solvate or hydrate thereof, a preparation method therefor and use thereof. The salt obtained in the present invention has good crystallinity, and compared with a free form of the compound, the solubility in water is obviously improved. The preferred salt form and crystal form have low hygroscopicity, and can be stably present. Therefore, compared with the free form of the compound or other salts, the salt is more beneficial for use as a drug. |