Showing structure for (4ar,4br,6ar,6bs,8ar,11r,12as,14ar,14br,16r,16as)-16-hydroxy-11-(hydroxymethyl)-2,2,4a,6a,6b,11,14b-heptamethyl-4h,4bh,5h,6h,7h,8h,9h,10h,12h,12ah,14h,14ah,15h,16h,16ah-piceno[3,4-d][1,3]dioxine-8a-carboxylic acid