2-amino-N-((Z)-((3S,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)dihydrofuran-2(3H)-ylidene)methyl)acetamide

tert-butyl ((S)-1-(((Z)-((3S,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)dihydrofuran-2(3H)-ylidene)methyl)amino)-1-oxopropan-2-yl)carbamate

tert-butyl ((R)-1-(((Z)-((3S,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)dihydrofuran-2(3H)-ylidene)methyl)amino)-1-oxopropan-2-yl)carbamate

tert-butyl ((5S,8S,9S,Z)-12-((3S,4R,5R)-5-(3-((benzyloxy)methyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-bis((tert-butyldimethylsilyl)oxy)dihydrofuran-2(3H)-ylidene)-5,7,8-trimethyl-3,6,10-trioxo-1-phenyl-2-oxa-4,7,11-triazadodecan-9-yl)carbamate