OD8 od8 (2~{R},3~{S},4~{S},5~{R},6~{S})-2-(hydroxymethyl)-6-[[(1~{S},3~{R},6~{S},7~{S},8~{R},9~{R},10~{R},11~{R},14~{S})-14-(me thoxymethyl)-3,10-dimethyl-9-oxidanyl-6-propan-2-yl-8-tricyclo[9.3.0.0^{3,7}]tetradecanyl]oxy]oxane-3,4,5-triol OD8