(S)-((2R,5R,6S)-6-(benzyloxy)-5-((4-methoxyphenoxy)methyl)-1,4-dimethyl-3-oxo-1,4-diazepan-2-yl)((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate

allyl O-benzyl-N-((2S,3R)-3-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)oxirane-2-carbonyl)-D-serinate

O-benzyl-N-((2S,3R)-3-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)oxirane-2-carbonyl)-D-serine

(2S,3R)-3-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)-N-((R)-1-(tert-butoxy)-4-diazo-3-oxobutan-2-yl)oxirane-2-carboxamide

(2R,3S)-3-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)-N-((R)-1-(tert-butoxy)-4-diazo-3-oxobutan-2-yl)-3-hydroxy-2-(methylamino)propanamide