(7Z,11E)-(1S,3aR,12aS)-1,3a-Dihydroxy-11-isopropyl-4-methylene-1,2,3,3a,4,5,6,9,10,12a-decahydro-cyclopentacycloundecene-8-carboxylic acid

(E)-(1S,2R,5S,6S)-2,5-Dihydroxy-1-iodomethyl-8-isopropyl-15-oxa-tricyclo[9.3.2.02,6]hexadeca-7,11-dien-16-one

(5Z,9E)-(1R,11S,12S)-9-Isopropyl-2-methylene-14-oxo-13,15-dioxa-tricyclo[10.3.2.01,11]heptadeca-5,9-diene-6-carboxylic acid methyl ester

5-[1-[(1R,5S,8S)-1-(4,4-Dimethoxy-1-methylene-butyl)-3-oxo-2,4-dioxa-bicyclo[3.2.1]oct-8-yl]-meth-(E)-ylidene]-2-(dimethoxy-phosphoryl)-6-methyl-heptanoic acid methyl ester

2-(Diphenoxy-phosphoryl)-6-methyl-5-[1-[(1R,5S,8S)-1-(1-methylene-4-oxo-butyl)-3-oxo-2,4-dioxa-bicyclo[3.2.1]oct-8-yl]-meth-(E)-ylidene]-heptanoic acid methyl ester