Methanesulfonic acid (2S,4R)-5-(tert-butyl-diphenyl-silanyloxy)-2,4-dimethyl-pentyl ester

(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

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

(1S,2'S,4R,6S)-4-acetoxy-1-(2'-benzyloxycarbonylamino-3'-hydroxy-propyl)-6-triethylsilyloxy-2-cyclohexen-1-ol

(1S,2'S,4R,6S)-4-acetoxy-1-(2'-benzyloxycarbonylamino-3'-hydroxy-propyl)-6-hydroxy-2-cyclohexen-1-ol