Hexahydropyrrolo[3,4-C]pyrrole-2-carboxylic acid tert-butyl ester141449-85-666 % similar tert-Butyl 3-oxoazetidine-1-carboxylate398489-26-461 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-060 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-357 % similar 1,1-Dimethylethyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate201162-53-057 % similar [1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid183062-96-656 % similar tert-Butyl (3R,4R)-3-amino-4-(hydroxymethyl)pyrrolidine-1-carboxylate1207853-71-156 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-856 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-055 % similar 1-Boc-azetidine-3-carboxylic acid142253-55-255 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-554 % similar N-Boc-cis-2,6-diethyl-4-piperidone1003843-30-854 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-454 % similar 1,1-Dimethylethyl 3-(2-aminoethyl)-1-azetidinecarboxylate898271-20-054 % similar (1R,5S,6r)-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.0]hexane-6-carboxylic acid1401464-07-053 % similar 3-(1,1-Dimethylethyl) (1α,5α,6α)-3-azabicyclo[3.1.0]hexane-3,6-dicarboxylate927679-54-753 % similar tert-Butyl 3-(2-ethoxy-2-oxoethyl)azetidine-1-carboxylate158602-35-852 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-151 % similar 1,1-Dimethylethyl (3S,4S)-3-amino-4-fluoro-1-pyrrolidinecarboxylate1009075-43-751 % similar 1,1-Dimethylethyl (3S,4R)-3-amino-4-fluoro-1-pyrrolidinecarboxylate1174020-30-451 % similar