methyl 5(S)-[(tert-butyldimethylsilyl)oxy]-6(Z)-nonen-8-ynoate

5(S),12(R)-bis[(tert-butyldimethylsilyl)oxy]-6(7),8(E),10(E),14(Z)-eicosatetraenoic acid

(5S,6Z,8E,10E,12R)-5,12-bis((tert-butyldimethylsilyl)oxy)icosa-6,8,10-trien-14-ynoic acid