4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(acetyloxy)(6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-yl)methyl]-6-bromo-7-oxo-, (4-nitrophenyl)methyl ester, (5R)-

Order 623565-64-0 azabicyclo,carboxylic,acetyloxy,dihydro,pyrazolo,oxazin,methyl,bromo,nitrophenyl,ester