ethyl (2Z,6Z,10Z,14Z,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenoate

(2Z,6Z,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-ol

(2Z,6E,10E,14E)-1-Bromo-3,7,11,15,19-pentamethyl-icosa-2,6,10,14,18-pentaene

反,反-氯化法呢酯