(13E,15E,18Z,20Z)-1-hydroxypentacosa-13,15,18,20-tetraen-11-yn-4-one 1-acetate
(13e,15e,18z,20z)-1-hydroxypentacosa-13,15,18,20-tetraen-11-yn-4-one 1-acetate
(13E,15E,18Z,20Z)-1-hydroxypentacosa-13,15,18,20-tetraen-11-yn-4-one 1-acetate
(13e,15e,18z,20z)-1-hydroxypentacosa-13,15,18,20-tetraen-11-yn-4-one 1-acetate