18467-08-8 36597-51-0 Card-20(22)-enolide, 14-hydroxy-2,3-((tetrahydro-3,4-dihydroxy-6-methyl-2H-pyran-3,2-diyl)bis(oxy))-, (2alpha(2S,3S,4R,6R),3beta,5alpha)- Gomphoside