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(2S,4R)-1-Boc-2-cyano-4-hydroxypyrrolidine483366-12-743 % similar (1S,4S)-2-Boc-2,5-diazabicyclo[2.2.1]heptane113451-59-543 % similar tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate hydrochloride134003-84-243 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-243 % similar 2,5-Diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester198989-07-043 % similar 1-((tert-Butoxy)carbonyl)-4-(((9H-fluoren-9-yl)methoxy)carbonyl)piperazine-2-carboxylic acid218278-58-143 % similar Boc-MeTyr(tBu)-OH66638-37-743 % similar Rel-1,1-Dimethylethyl (3R,4R)-3-fluoro-4-hydroxy-1-pyrrolidinecarboxylate869481-93-643 % similar Boc-D-1,2,3,4-tetrahydronorharman-3-carboxylic acid123910-26-943 % similar N-Alpha-(t-Butyloxycarbonyl)-1,2,3,4-tetrahydronorharman-L-3-carboxylic acid66863-43-243 % similar Boc-N-methyl-L-isoleucine52498-32-542 % similar 1-N-Boc-3-hydroxyazetidine141699-55-042 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-642 % similar N-Boc-(2R,3R,4S)-dolaproine120205-50-742 % similar 1,1-Dimethylethyl 3,3-difluoro-4-hydroxy-1-pyrrolidinecarboxylate1434141-81-742 % similar 1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-742 % similar tert-Butyl (2R,5S)-2,5-dimethylpiperazine-1-carboxylate309915-46-642 % similar (2S,5R)-2,5-Dimethyl-piperazine-1-carboxylic acid tert-butyl ester548762-66-942 % similar Fmoc-hyp(tbu)-oh122996-47-842 % similar (2S,4S)-4-(tert-Butoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid464193-92-842 % similar