pyran,diethyl,dihydro,methyl,2h-pyran,2h-pyran,
2H-pyran
492447-78-62,4-Pyrrolidinedione,3-[1,8,9,11,13,15,17,19,21,23,25,27,28,29,30,31-hexadecahydroxy-2,4,6,10,12,14,18,20-octamethyl-32-[tetrahydro-3,4,5,6-tetrahydroxy-6-(2-hydroxyundecyl)-2H-pyran-2-yl]-2-dotriacontenylidene]-1-methyl-