6-((tert-Butoxycarbonyl)amino)spiro[3.3]heptane-2-carboxylic acid

2,7-Dibromo-9,9'-spirobifluorene

Methyl 6-((tert-butoxycarbonyl)amino)spiro[3.3]heptane-2-carboxylate

tert-Butyl 6-amino-2-azaspiro[3.3]heptane-2-carboxylate

(R)-7,7'-Bis(bis(3,5-dimethylphenyl)phosphino)-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]

tert-Butyl 6-formyl-2-azaspiro[3.3]heptane-2-carboxylate

tert-Butyl 6-oxo-1,7-diazaspiro[4.4]nonane-1-carboxylate

tert-Butyl 6-hydroxy-2-azaspiro[3.3]heptane-2-carboxylate

3-Bromo-9,9'-spirobi[fluorene]

1,7-Diazaspiro[3.5]nonane dihydrochloride