p. 161 - 163
(2013/08/25)p. 433 - 436
(2007/10/02)(1'R,3R,4R)-3-<1'-<(tert-butyldimethylsilyl)oxy>ethyl>-4-phenylacetoxyazetidin-2-one
(3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one
1-(propyl-3-sulfanyl)carbonyl-(3S)-3-[(1R)-(4-phenylbutanoyloxy)ethyl]azetidin-2-one
C18H23N3O3S
1-(propyl-3-enamino)carbonyl-(3S)-3-[(1R)-((2-phenylethylamino)carbonyloxy)ethyl]azetidin-2-one