1-Piperazinecarboxylic acid, 4-(4-amino-2-fluorophenyl)-, 1,1-dimethylethyl ester
1,1-Dimethylethyl 4-(4-amino-2-fluorophenyl)-1-piperazinecarboxylate
3-Fluoro-4-[4-(tert-butoxycarbonyl)piperazin-1-yl]aniline
4-(4-Amino-2-fluorophenyl)piperazine-1-carboxylic acid tert-butyl ester
3-Fluoro-4-(4-Boc-1-piperazinyl)aniline
tert-Butyl 4-(4-amino-2-fluorophenyl)tetrahydro-1(2H)-pyrazinecarboxylate
4-(4-tert-Butoxycarbonylpiperazin-1-yl)-3-fluoroaniline