Aminothiazol

7(S)-[2-(2-Aminothiazol-4-yl)-2(Z)-(methoxyimino)acetamido]-3-(methylsulfonyl)-8-oxo-1,5-diazabicyclo[3.3.0]oct-2-ene-2-carboxylic acid

tert-butyl 2-aminothiazolo[4,5-b]pyridin-7-ylcarbamate