1-tert-butyl 4-methyl 4-(bromomethyl)piperidine-1,4-dicarboxylate

1-tert-butyl 4-methyl 4-(chlorosulfonyl)piperidine-1,4-dicarboxylate

1-tert-butyl 4-methyl 4-(hydroxymethyl)piperidine-1,4-dicarboxylate

1-tert-butyl 4-methyl 4-azidopiperidine-1,4-dicarboxylate

1-tert-butyl 4-methyl 5-(trifluoroacetyl)-1,2,3,4-tetrahydropyridine-1,4-dicarboxylate

1-tert-butyl 4-methyl 5-aminoazepane-1,4-dicarboxylate hydrochloride

1-tert-butyl 4-methyl 5-bromo-1,2,3,4-tetrahydropyridine-1,4-dicarboxylate

1-tert-butyl 4-methyl 5-formyl-1,2,3,4-tetrahydropyridine-1,4-dicarboxylate

1-tert-butyl 4-methyl azepane-1,4-dicarboxylate

1-tert-butyl 4-methyl piperazine-1,4-dicarboxylate

1-tert-butyl 4-methyl piperidine-1,4-dicarboxylate

1-tert-butyl 5-methyl (2R)-2-aminopentanedioate hydrochloride

1-tert-butyl 5-methyl (2S)-2-aminopentanedioate hydrochloride

1-tert-butyl 5-methyl 3-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1,5-dicarboxylate

1-tert-butyl 6-methyl 1,4-diazepane-1,6-dicarboxylate

1-tert-butyl 6-methyl 7-hydroxy-2,3-dihydro-1H-indole-1,6-dicarboxylate

1-tert-butyl 6a-methyl 5-benzyl-octahydropyrrolo[3,4-b]pyrrole-1,6a-dicarboxylate

1-tert-butyl 7-methyl 1,2,3,4-tetrahydroquinoxaline-1,7-dicarboxylate

1-tert-butyl-1,2,3,4-tetrahydroisoquinolin-6-ol

1-tert-butyl-1,2,3,4-tetrahydroquinoxaline

1-tert-butyl-1,4-diazepane

1-tert-butyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one

1-tert-butyl-1H-1,2,3,4-tetrazol-5-amine

1-tert-butyl-1H-1,2,3,4-tetrazole-5-thiol

1-tert-butyl-1H-1,2,3-benzotriazole-5-carboxylic acid

1-tert-butyl-1H-1,2,3-benzotriazole-6-carboxylic acid

1-tert-butyl-1H-1,2,3-triazole-4-carbaldehyde

1-tert-butyl-1H-1,2,3-triazole-4-carboxylic acid

1-tert-butyl-1H-1,2,4-triazol-3-amine

1-tert-butyl-1H-1,2,4-triazol-5-amine

1-tert-butyl-1H-1,2,4-triazole

1-tert-butyl-1H-1,2,4-triazole-3-carboxylic acid

1-tert-butyl-1H-1,2,4-triazole-5-carbaldehyde

1-tert-butyl-1H-1,3-benzodiazol-2-amine

1-tert-butyl-1H-1,3-benzodiazole-5-carboxylic acid hydrochloride

1-tert-butyl-1H-imidazol-2-amine

1-tert-butyl-1H-imidazole

1-tert-butyl-1H-imidazole-2-carbaldehyde

1-tert-butyl-1H-imidazole-2-thiol

1-tert-butyl-1H-imidazole-4-carboxylic acid hydrochloride

1-tert-butyl-1H-imidazole-5-carbaldehyde

1-tert-butyl-1H-indazole

1-tert-butyl-1H-pyrazol-3-amine

1-tert-butyl-1H-pyrazol-3-ol

1-tert-butyl-1H-pyrazol-4-amine hydrochloride