1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-7100 % similar Boc-D-azetidine-2-carboxylic acid228857-58-7100 % similar Boc-L-proline15761-39-483 % similar (2R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid37784-17-183 % similar 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-981 % similar (2S)-1-((tert-Butoxy)carbonyl)piperidine-2-carboxylic acid26250-84-081 % similar (R)-(+)-N-Boc-2-piperidinecarboxylic acid28697-17-881 % similar 4-(tert-Butoxycarbonyl)morpholine-3-carboxylic acid212650-43-670 % similar 1-Boc-2-piperazinecarboxylic acid1214196-85-668 % similar (R)-4-Boc-piperazine-3-carboxylic acid278788-60-668 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-865 % similar 1-(1,1-Dimethylethyl) (2S)-4,4-dimethyl-1,2-pyrrolidinedicarboxylate1001353-87-263 % similar (2S,4S)-N-Boc-4-methylpyrrolidine-2-carboxylic acid364750-81-263 % similar Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester255882-72-563 % similar (S)-5-Boc-5-azaspiro[2.4]heptane-6-carboxylic acid1129634-44-162 % similar N-Boc-cis-4-hydroxy-D-proline135042-12-562 % similar 1-(1,1-Dimethylethyl) (2S,4R)-4-hydroxy-1,2-pyrrolidinedicarboxylate13726-69-762 % similar (2R,4S)-N-Alpha-T-butoxycarbonyl-4-hydroxypyrrolidine-2-carboxylic acid147266-92-062 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-962 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-862 % similar