72558-82-8 BRN 4344904 Ceftazidima [INN-Spanish] Ceftazidime Ceftazidimum [INN-Latin] EINECS 276-715-9 Fortaz GR 20263 Pyridinium, 1-((7-(((2-amino-4-thiazolyl)((1-carboxy-1-methylethoxy)imino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-, hydroxide, inner salt, (6R-(6-alpha,7-beta-(Z)))- SN 401