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tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate hydrochloride134003-84-232 % similar Methyl (2R)-1-(triphenylmethyl)aziridine-2-carboxylate160233-42-132 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-232 % similar 2,5-Diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester198989-07-032 % similar tert-Butyl 3-((methoxycarbonyl)methyl) azetidine-1-carboxylate497160-14-232 % similar Methyl (S)-(-)-1-trityl-2-aziridine-75154-68-632 % similar 2-Methoxyethyl p-toluenesulfonate17178-10-832 % similar 1,1-Dimethylethyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate201162-53-032 % similar 2-Chloroethyl p-toluenesulfonate80-41-132 % similar p-Toluenesulfonic anhydride4124-41-832 % similar α-Tosyl-L-arginine methyl ester901-47-332 % similar 1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-732 % similar 2-(3-Methyl-3H-diazirin-3-yl)ethyl 4-methylbenzene-1-sulfonate25055-84-932 % similar Methyl 2-(4-methylphenylsulfonamido)acetate2645-02-532 % similar 1,1-Dimethylethyl 4-methylbenzoate13756-42-832 % similar 1,3-Propanediol ditosylate5469-66-932 % similar Ethyl p-toluenesulfonate80-40-032 % similar Fmoc-hyp(tbu)-oh122996-47-832 % similar (2S,4S)-4-(tert-Butoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid464193-92-832 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-231 % similar