Aztreonam USP RC A

Chemical Name: Aztreonam USP Impurity A ; Aztreonam Open Ring Impurity ; (2S,3S)-2-{(Z)-2-[2-Aminothiazol-4-yl]-2-[2-carboxypropan-2-yloxyimino]acetamido}-3-(sulfoamino)butanoic acid

Smile: C[C@H](NS(=O)(O)=O)[C@H](NC(/C(C1=CSC(N)=N1)=N\OC(C)(C(O)=O)C)=O)C(O)=O