1 7AO [(3~{z},5~{S},6~{S},7~{S},8~{R},9~{S},11~{z},13~{S},14~{S},15~{S},16~{z},18~{S})-19-[(2~{S},3~{R},4~{S},5~{R})-3,5-dimethyl-4-oxidanyl-6-oxidanylidene-oxan-2-yl]-5,7,9,11,13,15-hexamethyl-8,14,18-tris(oxidanyl)nonadeca-1,3,11,16-tetraen-6-yl] ~{N}-[3-[(3-azidophenyl)carbonylamino]propyl]carbamate 1.000 2 7AK (+)-discodermolide 0.707