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,2R,3S,4S)-3-amino-bicyclo[2.2.1]heptane-2-carboxylic acid ethyl ester

(1S,2R,3S,4R)-3-(4-fluoro-benzylamino)-bicyclo[2.2.1]heptane-2-carboxylic acid ethyl ester

(1S,2R,3S,4R)-3-(4-fluoro-benzyl)-6-hydroxy-5-(7-iodo-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-3-aza-tricyclo[6.2.1.0(2,7)]undec-5-en-4-one

(1R,2S,7R,8S)-5-(7-azido-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