The crystalline monohydrate, mono (N,N'-dimethylformamide) and bis(N,N'-dimethylformamide) solvates of 7.beta.-[2'-(R)-2'-(p-hydroxyphenyl-2'-amino-acetamido]-3-chloro-3-(1-carb adethiacephem)-4-carboxylic acid ("LY213735") are novel compounds with superior physical characteristics. Also described are pharmaceutical formulations of crystalline LY213735 monohydrate.
7-beta-[2'-(R)-2'-(对羟基苯基-2'-
氨基乙酰基]-3-
氯-3-(1-羧甲
硫辛)-4-
羧酸(“LY213735”)的结晶单一
水合物、单一(N,N'-二甲基甲酰胺)和双(N,N'-二甲基甲酰胺)溶剂化合物是具有优越物理特性的新化合物。此外,还描述了结晶LY213735单
水合物的制药配方。