p. 1646 - 1648
(2007/10/02)(3S,4R)-3-Benzyloxy-4-((S)-1-benzyloxy-ethyl)-1-[bis-(4-methoxy-phenyl)-methyl]-azetidin-2-one
(3S,4R)-3-Benzyloxy-4-((S)-1-benzyloxy-ethyl)-1-(4-methoxy-phenyl)-azetidin-2-one
(2S,3R,4S)-3-Amino-2,4-bis-benzyloxy-pentanoic acid methyl ester
(3S,4R)-3-Benzyloxy-4-((S)-1-benzyloxy-ethyl)-azetidin-2-one
[(S)-2-Benzyloxy-prop-(E)-ylidene]-(4-methoxy-phenyl)-amine