(3R,4R,4aR,6'R,7S)-4-[15-(allyloxycarbonyl)pentadecyloxycarbonyl]-7-(2-hydroxyethyl)-1,2,3,4,4a,5,6,7-octahydro-1-oxopyrrolo[1,2-c]pyrimidine-3-spiro-2'-(6'-methyl)-3',4',5',6'-tetrahydro-2H-pyran

(3R,4R,4aR,6'R,7S)-4-[15-(allyloxycarbonyl)pentadecyloxycarbonyl]-1,2,3,4,4a,5,6,7-octahydro-1-oxo-7-(2-oxoethyl)pyrrolo[1,2-c]pyrimidine-3-spiro-2'-(6'-methyl)-3',4',5',6'-tetrahydro-2H-pyran

(4aR,7S)-4-[15-(allyloxycarbonyl)pentadecyloxycarbonyl]-1,2,4a,5,6,7-hexahydro-7-(2-hydroxyethyl)-1-oxo-3-[(4R)-4-(tert-butyldimethylsiloxypentyl)]-pyrrolo[1,2-c]-pyrimidine

(S)-7-methyl-3-ureido-6-octen-1-ol

(S)-5-triisopropylsiloxy-3Z-hepten-5-ol