4-Methyl-1-undec-10-ene-4,7-diynyl-2,6,7-trioxa-bicyclo[2.2.2]octane

(5Z,8Z)-11,12-Dihydroxy-dodeca-5,8-dienoic acid methyl ester

(5Z,8Z,14E)-11-Hydroxy-icosa-5,8,14-trien-12-ynoic acid methyl ester

1-iodo-hex-2-yne-5-ene

11-(4-Methyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-undeca-4,7-diyne-1,2-diol