tert-butyl (4aR,8aR)-8,8-difluoro-3-oxohexahydro-2H-pyrido[4,3-b][1,4]oxazine-6(5H)-carboxylate
tert-butyl (4aR,8aR)-8,8-difluoro-3-oxohexahydro-2H-pyrido[4,3-b][1,4]oxazine-6(5H)-carboxylate ·
tert-butyl (4aR,8aR)-8,8-difluoro-3-oxohexahydro-2H-pyrido[4,3-b][1,4]oxazine-6(5H)-carboxylate ·