benzyl ((1'S,2S,4S,4'R,4a'S,6'S,8a'R)-6'-hydroxy-5,8'-dioxo-4,4',4a',5,6',7',8',8a'-octahydro-1'H,3H-spiro[furan-2,5'-[1,4]methanonaphthalen]-4-yl)carbamate

(1S,2R,4S,5R,6S)-5-((S)-2-amino-3-((tert-butyldiphenylsilyl)oxy)propyl)-4,5-dihydroxy-7-oxabicyclo[4.1.0]heptan-2-yl acetate

(2'S,2''E,4S,4''E,5S,6S,6''E,8''R,10''S,12''E,14''R)-4,5-epoxy-6-hydroxy-6-[3'-hydroxy-2'-(8'',10'',12'',14''-tetramethylhexadeca-2'',4'',6'',12''-tetraenoylamino)-propyl]-2-cyclohexen-1-one

(1R,2R,2'S,3S,4R,6S)-1-(2'-benzyloxycarbonylamino-3'-tert-bityldiphenylsilyloxypropyl)-2,3-epoxy-6-hydroxy-4-(4-methylbenzenesulfonyl)cyclohexan-1-ol

(3S,5S,8R,10S)-8-acetoxy-3-benzyloxycarbonylamino-10-triethylsilyloxy-1-oxaspiro[4,5]dec-6-en-2-one

(3S,5S,6R,7S,8R,10S)-3-benzyloxycarbonylamino-8-(4-methylbenzenesulfonyl)-6,7-epoxy-10-triethylsilyloxy-1-oxaspiro[4,5]dec-6-en-2-one

(2'S,2''E,4S,4''E,5S,6S,6''E,8''R,10''S,12''E,14''R)-4,5-epoxy-6-hydroxy-6-[2'-(8'',10'',12'',14''-tetramethylhexadeca-2'',4'',6'',12''-tetraenoylamino)-3'-tert-butyldiphenylsilyloxy-propyl]-2-cyclohexen-1-one