(3R)-3β,4α-Bis(3-methoxy-4-hydroxybenzyl)-3-hydroxytetrahydrofuran-2-one

(3R,4R)-4,5-Dihydro-3,4-bis(3-methoxy-4-hydroxybenzyl)-3-hydroxyfuran-2(3H)-one

(3R,4R)-3,4-Bis(4-hydroxy-3-methoxybenzyl)-3-hydroxy-4,5-dihydrofuran-2(3H)-one

(3R,4R)-4,5-Dihydro-3-hydroxy-3,4-bis[(4-hydroxy-3-methoxyphenyl)methyl]furan-2(3H)-one