A water-soluble antibiotic composition which comprises crystals of a cephem compound of the following formula:
wherein R¹ is a residue of an aliphatic hydrocarbon which may have suitable substituent(s), and
R² is a heteronio(lower)alkyl, or an acid addition salt thereof, and a pharmaceutically acceptable carbonic acid salt. The invention also relates to a salt comprising cation(s) and anion of the formula:
wherein R¹ is a residue of an aliphatic hydrocarbon which may have suitable substituent(s),
R² is a heteronio(lower) alkyl, a process for preparing such salt and pharmaceutical composition comprising it.
一种
水溶性抗生素组合物,它由下式的
头孢菌素化合物晶体组成:
其中 R¹ 是脂肪烃的残基,可具有合适的取代基,和
R² 是杂(低)烷基,或其酸加成盐,以及药学上可接受的
碳酸盐。本发明还涉及一种包含式中阳离子和阴离子的盐:
其中 R¹ 是脂肪族烃的残基,可具有合适的取代基、
R²是杂(低级)烷基、制备这种盐的工艺和含有这种盐的药物组合物。