Aztreonam USP RC F

Chemical Name: Aztreonam USP Impurity F ; Aztreonam Ethyl Ester ; Ethyl (Z)-2-({[(2-amino-4-thiazolyl){[(2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl]carbamoyl}methylene]amino}oxy)-2-methylpropionate

Smile: CC(C)(O/N=C(C1=CSC(N)=N1)\C(N[C@H]2[C@H](C)N(S(=O)(O)=O)C2=O)=O)C(OCC)=O