montanin

Noun

 * 1)  A naturally found chemical compound with IUPAC name (1R,2R,6S,7S,8R,10S,11S,12R,16R,18R)-6,7-dihydroxy-8-(hydroxymethyl)-4,18-dimethyl-16-prop-1-en-2-yl-14-undecyl-9,13,15,19-tetraoxahexacyclo[12.4.1.01,11.02,6.08,10.012,16]nonadec-3-en-5-one