amino-[1-(3-chloro-4-fluorobenzyl)-2-oxopiperidin-(4Z)-ylidene]acetic acid ethyl ester

1-(3-chloro-4-fluorobenzyl)-3-(phenylsulfinyl)piperidin-2-one

ethyl 6-(3-chloro-4-fluorobenzyl)-4-hydroxy-3,5-dioxo-2,3,5,6,7,8-hexahydro-2,6-naphthyridine-1-carboxylate

6-(3-chloro-4-fluorobenzyl)-4-hydroxy-3,5-dioxo-2,3,5,6,7,8-hexahydro-2,6-naphthyridine-1-carboxylic acid

1-(3-chloro-4-fluorobenzyl)piperidin-2-one