(1R,3R,4S,5S,8R,8aR,9R)-5-benzyl-9-(benzyloxy)-8-((tert-butyldimethylsilyl)oxy)-3-methoxyoctahydro-1,4-methanopyrrolo[2,1-c][1,4]oxazin-5-ium 4-methylbenzenesulfonate

1-((1R,3R,4S,6S,7R)-5-benzyl-7-(benzyloxy)-3-methoxy-2-oxa-5-azabicyclo[2.2.1]heptan-6-yl)prop-2-en-1-ol

(R)-3-((1R,3R,4S,6R,7R)-5-benzyl-7-(benzyloxy)-3-methoxy-2-oxa-5-azabicyclo[2.2.1]heptan-6-yl)-3-((tert-butyldimethylsilyl)oxy)propan-1-ol

(1R,3R,4S,6R,7R)-5-benzyl-7-(benzyloxy)-6-((R)-1-((tert-butyldimethylsilyl)oxy)allyl)-3-methoxy-2-oxa-5-azabicyclo[2.2.1]heptane