trans-1-iodopentadec-4-ene

(trans)-ethyl-8-hydroxyoct-4-enoate

(trans)-ethyl 8-oxooct-4-enoate

(trans,cis)-ethyl tricosa-4,8-dien-12-ynoate

(4R,5R,8R,9S)-9-hydroxy-5,8-oxidotricosa-12-en-1,4-olide