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4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-044 % similar (S)-Tetrahydropyridazine-1,2,3-tricarboxylic acid 1,2-di-tert-butyl ester156699-39-744 % similar Boc-N-methyl-L-isoleucine52498-32-544 % similar (S)-4-N-Boc-piperazine-2-carboxylic acid848482-93-944 % similar Boc-hyp(bzl)-oh54631-81-144 % similar N-Boc-(2R,3R,4S)-dolaproine120205-50-744 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-943 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-843 % similar 1,1-Dimethylethyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)-1-pyrrolidinecarboxylate61478-26-043 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-543 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-943 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-343 % similar tert-Butyl 3,6-dihydropyridine-1(2H)-carboxylate85838-94-442 % similar 2-((2R)-1-((tert-Butoxy)carbonyl)pyrrolidin-2-yl)acetic acid101555-60-642 % similar (1S,4R)-(-)-4-(Boc-amino)-2-cyclopentene-1-carboxylic acid151907-79-842 % similar (+)-(1R,4S)-N-Boc-4-aminocyclopent-2-enecarboxylic acid151907-80-142 % similar (1R,4R)-4-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-cyclopentene-1-carboxylic acid298716-03-742 % similar 1,1-Dimethylethyl (2S)-2-(aminocarbonyl)-1-pyrrolidinecarboxylate35150-07-342 % similar (2S,4R)-1-Boc-2-cyano-4-hydroxypyrrolidine483366-12-742 % similar (S)-2-(1-BOC-2-pyrrolidinyl)acetic acid56502-01-342 % similar