(9Z)-9,17-Octadecadiene-12,14-diyne-1,11,16-triol is a nature product that could be isolated from the ethyl acetate extract of Cassonia barteri ( Araliaceae ) leaves. (9Z)-9,17-Octadecadiene-12,14-diyne-1,11,16-triol has antibacterial activity against Bacillus subtilis and Pseudomonas fluorescens , antifungal activity against Cladosporium cucumerinum , moiluscicidal activity against Biomphalaria glabrata. (9Z)-9,17-Octadecadiene-12,14-diyne-1,11,16-triol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.