O-1104
(1R)-3-(4-methylphenyl)trop-2-ene-2-carboxylic acid methyl ester
(1R)-N-methyl-2-carbomethoxy-3-phenyl-8-azabicyclo[3.2.1]-2-octene
O-1109
(1R,5S)-8-Methyl-3-(2-methylsulfanyl-phenyl)-8-aza-bicyclo[3.2.1]oct-2-ene-2-carboxylic acid methyl ester