1,3-benzodioxole-5-methanol, alpha-ethenyl-6-[[(tetrahydro-2H-pyran-2-yl)oxy]methyl]- 1-{6-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1,3-benzodioxol-5-yl}-2-propen-1-ol 1-{6-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1,3-benzodioxol-5-yl}prop-2-en-1-ol InChI=1/C16H20O5/c1-2-13(17)12-8-15-14(20-10-21-15)7-11(12)9-19-16-5-3-4-6-18-16/h2,7-8,13,16-17H,1,3-6,9-10H