methyl (R)-4-(3-((tert-butoxycarbonyl)amino)pyrrolidin-1-yl)benzoate

tert-butyl (R)-(1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)pyrrolidin-3-yl)carbamate

tert-butyl 3-((4-(methoxycarbonyl)phenyl)amino)pyrrolidine-1-carboxylate

tert-butyl 3-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)amino)pyrrolidine-1-carboxylate

tert-butyl 3-((3-(methoxycarbonyl)phenyl)amino)pyrrolidine-1-carboxylate

tert-butyl 3-((2,3-dihydrobenzofuran-5-yl)amino)-4-hydroxypyrrolidine-1-carboxylate

tert-butyl 3-((4-(methoxycarbonyl)phenyl)amino)-3-methylazetidine-1-carboxylate

tert-butyl (R)-2-(((4-formylphenyl)amino)methyl)morpholine-4-carboxylate

tert-butyl 4-amino-3-nitro-5',6'-dihydro-[2,3'-bipyridine]-1'(2'H)-carboxylate

tert-butyl 6-amino-5-nitro-5',6'-dihydro-[2,3'-bipyridine]-1'(2'H)-carboxylate

tert-butyl 2'-amino-5'-nitro-5,6-dihydro-[3,3'-bipyridine]-1(2H)-carboxylate

tert-butyl ((1-(2,6-dimethylpyridin-3-yl)piperidin-4-yl)methyl)carbamate

tert-butyl (R)-3-(((2,6-dimethylpyridin-3-yl)amino)methyl)piperidine-1-carboxylate

tert-butyl 3-(benzo[d]thiazol-5-ylamino)pyrrolidine-1-carboxylate

tert-butyl 4-((5-acetylpyridin-3-yl)amino)piperidine-1-carboxylate

tert-butyl (S)-4-(5-acetylpyridin-3-yl)-3-methylpiperazine-1-carboxylate