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(2007/10/03)(3S,5R)-(+)-3-acetoxymethyl-5-formyl-1-piperidine-1-carbvoxylic acid benzyl ester
(3S,5R)-3-acetoxymethyl-5-hydroxymethylpiperidine-1-carboxylic acid benzyl ester
(3S,5R,1'S)-(+)-3-acetoxymethyl-5-(1'-methanesulfonyloxybut-3'-enyl)-1-piperidine-1-carboxylic acid benzyl ester
(3S,5R,1'S)-(-)-3-acetoxymethyl-5-(1'-hydroxybut-3'-enyl)-1-piperidine-1-carboxylic acid benzyl ester
(3S,5R,1'R)-(-)-3-acetoxymethyl-5-(1'-azidobut-3'-enyl)-1-piperidine-1-carboxylic acid benzyl ester
cytisine
(6R,7R,9R)-(-)-N-benzyloxycarbonyl-cytisine
(6R,7R,9R)-(+)-N-benzyloxycarbonyl-5,6-dihydro-cytisine
(2R,3'R,5'S)-(+)-5-hydroxymethyl-6-oxo-1,2,3,6,3',4',5',6'-octahydro-2'H-[2,3']-bipyridinyl-1'-carboxylic acid benzyl ester
(2R,3'R,5'S)-(+)-5-acetoxymethyl-6-oxo-1,2,3,6,3',4',5',6'-octahydro-2'H-[2,3']-bipyridinyl-1'-carboxylic acid benzyl ester