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

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-pyrido[2,3-e][1,2,4]thiadiazin-7-yl}methanesulfonamide

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

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

(1S,2R,3S,4R)-3-{(2-cyclopropylethyl)-[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)acetyl]amino}bicyclo[2.2.1]heptane-2-carboxylic acid ethyl ester