Yan HAO,Renyan ZHANG,Huiping PAN,Fuzhi ZHANG,Shijie YIN,Juping DING,Qiang YU
申请号:
US16626220
公开号:
US20200123164A1
申请日:
2018.05.29
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present invention relates to a salt of a compound of formula (I),The salt is crystalline or amorphous phosphate, or crystalline or amorphous oxalate. Particularly, a crystal form B of the phosphate of the present invention has high crystallinity, low hygroscopicity and good stability, and the crystal form B of the phosphate is good in oral bioavailability, good in tolerance after long-term administration, difficult to induce hypoglycemia and good in inhibition effect on serum DPPIV.