4-(2-aminoethyl)cyclohexa-3,5-diene-1,2-dione

(4R,5S,6S)-4-nitrobenzyl 6-((R)-1-hydroxyethyl)-4-methyl-3-(((3S,5S)-1-(((4-nitrobenzyl)oxy)carbonyl)-5-((sulfamoylamino)methyl)pyrrolidin-3-yl)thio)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate