butanoic,tetrahydro,pyran,ethyl,ester,2h-pyran,tetrahydro-2h-pyran,tetrahydro-2h-pyran-2-yl
2H-pyran
123229-48-1(6E)-8-[9-hydroxy-2'-{6-hydroxy-6-(hydroxymethyl)-4-[(5-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy]-3,5-dimethyltetrahydro-2H-pyran-2-yl}-2,4',8,10'-tetramethyl-2,7'-bi(1,6-dioxaspiro[4.5]decan)-7-yl]-2,4,6-trimethyl-5-oxonon-6-enoic acid (non-preferred