i. 3-fluoro-4-morpholinoaniline (CAS: 93246-53-8)

ii. (s)-5-(Aminomethyl)-3-(3-fluoro-4-morpholinophenyl)oxazolidin-2-one (CAS: 168828-90-8)

iii. (5R)-3-[3-Fluoro-4-(4-morpholinyl)phenyl]-5-hydroxymethyl-2-oxazolidione (CAS: 168828-82-8)

iv. R-[3-(3-Fluoro-(4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methyl methznsulfonarte (CAS: 174649-09-3)

v. (5R)-5-(chloromethyl)-3-[3-Fluoro-4-(4-morpholinyl)phenyl]-2-oxazolidione (CAS: 496031-57-3)