p. 3202 - 3206
(2007/10/02)Methanesulfonic acid (R)-[(2S,3R)-1-(2-fluoro-phenyl)-2-methyl-4-oxo-azetidin-3-yl]-(2-methyl-[1,3]dioxolan-2-yl)-methyl ester
(3R,4S)-1-(2-Fluoro-phenyl)-4-methyl-3-(2-methyl-[1,3]dioxolane-2-carbonyl)-azetidin-2-one
(3R,4S)-1-(2-Fluoro-phenyl)-3-[(R)-hydroxy-(2-methyl-[1,3]dioxolan-2-yl)-methyl]-4-methyl-azetidin-2-one
1-(2-Fluoro-phenyl)-4-methyl-azetidin-2-one
1-(2-Fluoro-phenyl)-4-methyl-3-[1-(2-methyl-[1,3]dioxolan-2-yl)-meth-(E)-ylidene]-azetidin-2-one