The crystalline anhydrous form of (3S-(3 alpha(z),4 beta))-3-(((2-amino-4-thiazolyl)(1-carboxy-1-methylethoxy)-imino)-acetyl)-amino)-4-methyl-2-oxo-1-azetidinesulfonic acid, method for its preparation, mixture and pharmaceutical composition containing it

摘要

The crystalline anhydrous form of [3S-[3 alpha (Z),4 beta ]]-3-[[2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]ami no]-4-methyl-2-oxo-1-azetidinesu lfonic acid is prepared.