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N-Carbethoxy-4-tropinone32499-64-2100 % similar N-Boc-nortropinone185099-67-658 % similar N-Cbz-nortropinone130753-13-855 % similar N-Boc-9-azabicyclo[3.3.1]nonan-3-one512822-27-451 % similar N-Boc-cis-2,6-diethyl-4-piperidone1003843-30-848 % similar 1-(Ethoxycarbonyl)-4-piperidone29976-53-247 % similar Ethyl 3-oxo cyclobuatne carboxylate87121-89-946 % similar Tropinone532-24-145 % similar 1-N-Ethoxycarbonyl-3-pyrrolidone14891-10-245 % similar 9-Boc-7-oxa-9-azabicyclo[3.3.1]nonan-3-one280761-97-944 % similar Ethyl 4-amino-1-piperidinecarboxylate58859-46-444 % similar Ethyl 4-hydroxy-1-piperidinecarboxylate65214-82-644 % similar N-Methyl-N-nitrosourethane615-53-243 % similar Ethyl 4-(methylamino)-1-piperidinecarboxylate73733-69-441 % similar Ethyl 3-oxocyclopentane-1-carboxylate5400-79-341 % similar Ethyl 2-(4-oxocyclohexyl)acetate58012-34-341 % similar 1-(Ethoxycarbonyl)-4-piperidinecarboxylic acid118133-15-640 % similar Ethyl 1-piperazinecarboxylate120-43-439 % similar Ethyl 4-oxocyclohexanecarboxylate17159-79-439 % similar 4-(2-Hydroxyethyl)-piperazin-1-carboxylic acid ethyl ester14000-66-939 % similar