
Aztreonam Desulfated Impurity ;
Aztreonam USP Impurity D ;
(Z)-2-({[(2-Amino-4-thiazolyl){[(2S,3S)-2-methyl-4-oxo-3-azetidinyl] carbamoyl} methylene]amino}oxy)-2-methylpropionic acid trifluoroacetic acid salt ;
CAS # 102579-59-9 (base) ;
C13H17N5O5S (Base) ; Mol. Wt.: 355.37 ;
C15H18F3N5O7S (TFA Salt) ; MW: 469.39 ;