This invention provides crystalline forms of a 1-methylcarbapenem derivative of formula (I) or of pharmaceutically acceptable salts thereof.
1
The crystalline forms of the 1-methylcarbapenem derivative exhibit excellent antibiotic activity against various bacterial strains and sufficient stability for practical use.
本发明提供了式(I)的1-甲基碳青霉烯衍
生物的晶体形式,或其药学上可接受的盐的晶体形式。1-甲基碳青霉烯衍
生物的晶体形式对各种细菌菌株表现出优异的抗生素活性,并具有足够的稳定性以供实际使用。