p. 1813 - 1818
(2007/10/03)p. 1491 - 1508
(2007/10/03)p. 1689 - 1694
(2007/10/03)benzyl (S)-1-(tert-butyldimethylsilyl)-4-oxoazetidine-2-carboxylate
(S)-benzyl 4-oxoazetidine-2-carboxylate
4-(tert-butyldiphenylsilyloxy)benzaldehyde
(4S,4'R)-1-(4-methoxyphenyl)-3-[4-(phenylmethoxy)phenylmethylidene]-4-(1,4-dioxaspiro[4.5]dec-2-yl)azetidin-2-one
(3S,4S,4'R)-1-(4-methoxyphenyl)-3-[4-(2-propenyloxy)phenylmethyl]-4-(1,4-dioxaspiro[4.5]dec-2-yl)azetidin-2-one