2-[1-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-4-methoxy-phenyl]-meth-(E)-ylidene]-malonic acid monomethyl ester

allyl (S)-(1-(3,5-bis((tert-butyldimethylsilyl)oxy)-4-methoxyphenyl)-3-oxopropan-2-yl)carbamate

methyl (S)-2-(((allyloxy)carbonyl)amino)-3-(3,5-bis((tert-butyldimethylsilyl)oxy)-4-methoxyphenyl)propanoate

allyl ((1R,2S)-1-((7S,11R)-5-(allyloxy)-8-hydroxy-4-methyl-7,8,10,11-tetrahydro-6H-7,11-epimino[1,3]dioxolo[4',5':5,6]benzo[1,2-d]oxocin-12-yl)-1-cyano-3-(3,5-dihydroxy-4-methoxyphenyl)propan-2-yl)carbamate