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3-Aminomethyl-4-boc-morpholine475106-18-442 % similar Boc-3,4-dehydro-pro-oh51154-06-442 % similar (S)-tert-Butyl 3-(hydroxymethyl)morpholine-4-carboxylate714971-28-542 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-741 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-541 % similar Boc-D-azetidine-2-carboxylic acid228857-58-741 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-641 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-941 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-341 % similar 1-Boc-azetidine-3-ylmethanol142253-56-341 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-141 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-841 % similar N-Boc-nortropinone185099-67-641 % similar 1-Boc-3-(aminomethyl)azetidine325775-44-841 % similar 1,1-Dimethylethyl 3-acetyl-1-azetidinecarboxylate870089-49-941 % similar 2-((2R)-1-((tert-Butoxy)carbonyl)pyrrolidin-2-yl)acetic acid101555-60-641 % similar (S)-2-(1-BOC-2-pyrrolidinyl)acetic acid56502-01-341 % similar N-Boc-3,4-dehydro-L-proline methyl ester74844-93-241 % similar tert-Butyl piperazine-1-carboxylate57260-71-640 % similar tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate190906-92-440 % similar