(2R,4a'R,6'R,7'R,8'R,8a'R)-7'-(benzyloxy)-8'-(methoxymethoxy)-6'-((S)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)but-1-en-1-yl)octahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]

(4a'R,6'S,8'R,8a'S)-6'-((1S,3S)-1-hydroxy-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-8'-ol

(4a'R,6'S,8'R,8a'R)-6'-((1S,3S)-1-acetoxy-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-8'-yl acetate

(3R)-1-((4a'R,6'S,7'S,8'R,8a'R)-7'-(benzyloxy)-8'-(methoxymethoxy)octahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-6'-yl)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)-2-(phenylsulfonyl)butan-1-one

(4a'R,6'R,8'S,8a'R)-8'-(methoxymethoxy)-6'-((1S,3S)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)-1-((tetrahydro-2H-pyran-2-yl)oxy)butyl)hexahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-7'(6'H)-one