(1S,2R,3S,4R)-3-[[2-(1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-(4-fluorobenzyl)amino]bicyclo[2.2.1]heptane-2-carboxylic acid ethyl ester

(1R,2S,7R,8S)-5-(1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-3-(4-fluorobenzyl)-6-hydroxy-3-azatricyclo[6.2.1.02,7]undec-5-en-4-one

benzyl [N-{3-[(1R,2S,7R,8S)-3-(4-fluorobenzyl)-6-hydroxy-4-oxo-3-azatricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}sulfamoyl]carbamate

(1R,2S,7R,8S)-5-[7-(1,1-dioxo-1λ6-isothiazolidin-2-yl)-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl]-3-(4-fluorobenzyl)-6-hydroxy--3-azatricyclo[6.2.1.02,7]undec-5-en-4-one

pyridine-3-sulfonic acid {3-[(1R,2S,7R,8S)-3-(4-fluorobenzyl)-6-hydroxy-4-oxo-3-azatricyclo[6.2.1.02,7]undec-5-en-5-yl]-1,1dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}amide