rac-N-{3-[5-ethyl-1-(4-fluoro-benzyl)-4-hydroxy-2-oxo-1,2,5,6-tetrahydro-pyridin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-thieno[2,3-e][1,2,4]thiadiazin-7-ylmethyl}-methanesulfonamide
ethyl 2-formylbutanoate
rac-2-[(4-fluoro-benzylamino)-methyl]-butyric acid ethyl ester
2-ethylacryloyl chloride
2-Methylenbutyramid