Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Synthesis of 7,7-dimethyleicosa-5Z,8Z-dienoic acid and its inhibitory activity against is described. ... 1 HNMR (300M MHz) CDCl 3 : δ 0.84 (3H,t,H-20), 1.12 (6H, s, 2Me), 1.24 (18H, br), 1.59 (2H, quin, H-3), 1.98 (2H, q, H-10), 2.09 (2H, q, H-4), 2.3 (2H, t, H-2), 5.12 ...