1638147-82-6 tetrabutylammonium (2S,5R)-2-((1-(tert-butoxycarbonyl)piperidin-4-yl)carbamoyl)-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl sulfate
1174020-64-4 tert-Butyl4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate
1174020-63-3 tert-Butyl 4-((2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate