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. ... New stable leukotriene A 4 analog with acetylenic function in positions 14,15 has been synthesized. Conversion of this analog to the corresponding LTC 4 derivative and the structural and biological characterization are presented. ... New stable leukotriene A 4 analog 1 ...