(2013/10/07)
(5R,7R)-[3,3,0]-1-aza-2-oxo-3-oxa-4,4-bis-(4'-t-butylphenyl)-7-(ethylcarbamoyloxy)bicyclooctane
(5R,7R)-[3,3,0]-1-aza-2-oxo-3-oxa-4,4-bis-(4'-t-butylphenyl)-7-(octylcarbamoyloxy)bicyclooctane
(2R,4R)-2-(bis-(4'-t-butylphenyl)methyl)-4-(octylcarbamoyloxy)pyrrolidine
(5R,7R)-[3,3,0]-1-aza-2-oxo-3-oxa-4,4-bis-(4'-t-butylphenyl)-7-(diphenylcarbamoyloxy)bicyclooctane
(2R,4R)-2-(bis-(4'-t-butylphenyl)methyl)-4-(diphenylcarbamoyloxy)pyrrolidine