mikanolide

Noun

 * 1)  The antibacterial sesquiterpenoid dilactone (2~{R},4~{R},5~{S},7~{S},9~{S},13~{R},14~{R})-7-methyl-12-methylidene-3,6,10,15-tetraoxapentacyclo[12.2.1.0^{2,4}.0^{5,7}.0^{9,13}]heptadec-1(17)-ene-11,16-dione