p. 562 - 567
(2013/02/23)p. 2175 - 2184
(2011/05/08)p. 1821 - 1826
(2011/09/19)p. 961 - 964
(2010/08/04)p. 1656 - 1662
(2007/10/02)p. 2294 - 2296
(2007/10/02)(1aR,1bS,4S,5aR)-5-Oxo-1b,4-diphenyl-tetrahydro-2-oxa-4a-aza-cyclopropa[a]pentalene-5a-carboxylic acid methyl ester
((1R,4R,5R)-2-Oxo-4-phenyl-3-oxa-bicyclo[3.1.0]hex-1-yl)-carbamic acid tert-butyl ester
(R)-2-Benzoyl-cyclopropane-1,1-dicarboxylic acid dimethyl ester
(1S,4R,5R)-2-Oxo-4-phenyl-3-oxa-bicyclo[3.1.0]hexane-1-carboxylic acid