768401-67-8
methyl (1S,3R,5R,7R)-3-(tert-butyl)-7-chloro-6-oxo-7-(2-benzyloxyethyl)-2-oxa-4-azabicyclo[3.2.0]heptane-4-carboxylate
768401-68-9
tert-butyl (1S,3R,5R,7R)-3-(tert-butyl)-7-chloro-6-oxo-7-(2-benzyloxyethyl)-2-oxa-4-azabicyclo[3.2.0]heptane-4-carboxylate
768401-64-5
methyl (1S,3R,5R,7R)-3-(tert-butyl)-7-chloro-6-oxo-7-(2-tert-butyldiphenylsilyloxy)ethyl-2-oxa-4-azabicyclo[3.2.0]heptane-4-carboxylate
768401-65-6
tert-butyl (1S,3R,5S,7S)-3-(tert-butyl)-7-chloro-7-[2-(tert-butyldiphenylsilyloxy)ethyl]-2-oxa-6-oxo-4-azabicyclo[3.2.0]heptane-4-carboxylate
157034-67-8
methyl (2R,2'R,4'S)-3'-<2-methyl-4-oxo-1,2,3,4-tetrahydro-1-pyridinyl> carbonyl-2'-tert-butyl-1,3-oxazolidine-4-carboxylate