(2S,5R)-7-oxo-2-(2-((S)-pyrrolidine-3-carbonyl)hydrazine-1-carbonyl)-1,6-diazabicyclo(3.2.1)octan-6-yl hydrogen sulfate
(2s,5r)-7-oxo-2-(2-((s)-pyrrolidine-3-carbonyl)hydrazine-1-carbonyl)-1,6-diazabicyclo(3.2.1)octan-6-yl hydrogen sulfate