(R,Z)-14-((E)-2-((1S,2R,3R,5S)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-((Z)-pent-2-en-1-yl)cyclopentyl)vinyl)-1,6-dioxacyclotetradec-11-ene-2,7-dione

4-(hept-5-ynoyloxy)butanoic acid