4-fluoro-L-threonine + acetaldehyde => fluoroacetaldehyde + L-threonine
4-fluoro-l-threonine + acetaldehyde => fluoroacetaldehyde + l-threonine
4-fluoro-L-threonine + acetaldehyde => fluoroacetaldehyde + L-threonine
4-fluoro-l-threonine + acetaldehyde => fluoroacetaldehyde + l-threonine