Cephalosporin derivatives have the formula ##STR1## wherein Z.sup.1, Z.sup.2, X, Y, P, Q, m, n and p are as defined in the following text. Also described are the readily hydrolyzable esters and pharmaceutically compatible salts of these compounds, and hydrates of compounds of formula I, their esters and salts. Processes are provided for manufacture and pharmaceutical preparations which contain these compounds. Intermediates from the manufacture of these compounds are described, as is the use of the compounds in the control of illnesses and for the manufacture of the aforementioned preparations.
头孢菌素衍
生物的
化学式如下:##STR1## 其中Z.sup.1、Z.sup.2、X、Y、P、Q、m、n和p的定义如下文所述。还描述了这些化合物的易
水解酯和药用兼容盐,以及公式I的化合物、它们的酯和盐的
水合物。提供了制造和含有这些化合物的制药制剂的过程。描述了制造这些化合物的中间体,以及这些化合物在疾病控制和制备上述制剂中的用途。