(1R,3R,5R,9R,13R,15S,18S)-3-methoxy-18-methyl-13-<(E)-4-methylpent-1-enyl>-12,19,20-trioxatricyclo<13.3.1.15,9>icosane-7,11-dione

(1R,3S,5S,7R,9R,13R,15S,18S)-7-hydroxy-3-methoxy-18-methyl-13-((E)-4-methylpent-1-enyl)-12,19,20-trioxatricyclo[13.3.1.15,9]icosan-11-one

(1R,3S,5S,7S,9R,13R,15S,18S)-7-hydroxy-3-methoxy-18-methyl-13-((E)-4-methylpent-1-enyl)-12,19,20-trioxatricyclo[13.3.1.15,9]icosan-11-one

5-[2-(3-Methoxycarbonylamino-prop-1-ynyl)-oxazol-4-yl]-pent-2-ynoic acid (1R,3S,5R,7R,9R,13R,15S,18S)-3-methoxy-18-methyl-13-((E)-4-methyl-pent-1-enyl)-11-oxo-12,19,20-trioxa-tricyclo[13.3.1.15,9]icos-7-yl ester

(5S,6R)-6-((S)-2-Methoxy-3-{(2R,4S,6S)-6-[2-(4-methoxy-benzyloxy)-ethyl]-4-triisopropylsilanyloxy-tetrahydro-pyran-2-yl}-propyl)-5-methyl-tetrahydro-pyran-2-one