VERF. Z. PREPARATION OF A PYHSIC MIXTURE OF AT LEAST ONE SALT OF ((1-METHYL-1-PYRROLIDINIO) METHYL) -3-CEPHEM-4-CARBOXYLATE AND A PHARMACEUTICALLY CONFIDENT, NON-TOXIC, ORGANIC OR INORGANIC BASE

摘要

Temp. stable crystalline salts of alpha-(2-aminothiazol-4-yl) alpha-(Z)-methoxyiminoacetamido) -3 -(1-methyl-1-pyrrolidinio) methyl)-3-cephem-4-carboxylate (I) are claimed, selected from sulphuric, di-nitric, monohydrochloric and di-hydrochloric acid addn. salts and orthophosphoric acid addn. salts contg. 1.5-2 molar equivalents of H3PO4, or solvates of tehse. The salt may be mixed with a base e.g. L(+) lysine or L(+) arginine.