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4-(2-Oxo-2-(thiazol-2-yl)ethyl)piperazine-2-carboxylic acid

Tert-butyl (1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-3-yl)carbamate

Tert-butyl (1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-4-yl)carbamate

Tert-butyl ((1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-2-yl)methyl)carbamate

Tert-butyl ((1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-3-yl)methyl)carbamate

Tert-butyl ((1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-4-yl)methyl)carbamate

Tert-butyl (1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-3-yl)(methyl)carbamate

Tert-butyl (1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-4-yl)(methyl)carbamate

Tert-butyl 4-((3-(bromomethyl)phenyl)sulfonyl)piperazine-1-carboxylate

Tert-butyl 4-((3-(bromomethyl)phenyl)sulfonyl)-2-methylpiperazine-1-carboxylate