tert-butyl 4-((1-methyl-1H-pyrrol-2-yl)methyl)piperazine-1-carboxylate

tert-butyl 4-(pyridin-2-ylmethyl)piperazine-1-carboxylate

tert-butyl 4-benzylpiperazine-1-carboxylate

tert-butyl 4-((tetrahydrofuran-3-yl)methyl)piperazine-1-carboxylate

tert-butyl 4-((1H-imidazol-4-yl)methyl)piperazine-1-carboxylate

tert-butyl 4-((1H-pyrrol-2-yl)methyl)piperazine-1-carboxylate

tert-butyl 3-((2-ethynylbenzyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-((cyclopropylmethyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-(((4-bromothiophen-2-yl)methyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-((4-bromo-3-methylbenzyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-((4-bromo-2-methylbenzyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 4-(((1-(tert-butoxycarbonyl)-3-methylazetidin-3-yl)amino)methyl)piperidine-1-carboxylate

tert-butyl 3-((cyclohexylmethyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-((4-iodobenzyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-(((9-ethyl-9H-carbazol-3-yl)methyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl 3-((2-(benzyloxy)benzyl)amino)-3-methylazetidine-1-carboxylate