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(2007/10/02)4-methyleneoxetan-2-one
diethyl 2-[(4-methoxyphenyl)amino]malonate
Diethyl 2-bromomalonate
4-methoxy-aniline
(2S,3R)-1-(4-Methoxy-phenyl)-3-(2-methyl-[1,3]dioxolan-2-yl)-4-oxo-azetidine-2-carboxylic acid ethyl ester
(2R,3R)-1-(4-Methoxy-phenyl)-3-(2-methyl-[1,3]dioxolan-2-yl)-4-oxo-azetidine-2-carboxylic acid ethyl ester
1-(4-Methoxy-phenyl)-3-(2-methyl-[1,3]dioxolan-2-yl)-4-oxo-azetidine-2,2-dicarboxylic acid diethyl ester
3-Acetyl-1-(4-methoxy-phenyl)-4-oxo-azetidine-2,2-dicarboxylic acid diethyl ester