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1-[(tert-Butoxy)carbonyl]-2-methylpyrrolidine-2-carboxylic acid203869-80-144 % similar 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-344 % similar tert-Butyl N-methyl-N-(4-oxocyclohexyl)carbamate400899-84-544 % similar 1,1-Dimethylethyl 2-oxo-1-pyrrolidinecarboxylate85909-08-644 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-844 % similar tert-Butyl 4,7-diazaspiro(2.5)octane-4-carboxylate674792-08-643 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-143 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-843 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-843 % similar 1-Boc-pyrrolidine-2,4-dione182352-59-643 % similar N-Boc-nortropinone185099-67-643 % similar tert-Butyl 2-oxopiperidine-1-carboxylate85908-96-943 % similar N-Boc-diethanolamine103898-11-943 % similar N-Boc-N,N-bis(2-chloroethyl)amine118753-70-143 % similar 1-Boc-4-methylpiperazine53788-49-143 % similar tert-Butyl piperazine-1-carboxylate57260-71-643 % similar 1-Boc-1-methylhydrazine21075-83-242 % similar 1-Boc-2-phenyl-piperidin-4-one849928-30-942 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-042 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-041 % similar