1(3H)-Isobenzofuranone, 3-butylidene-4,5,6,7-tetrahydro-6,7-dihydroxy-, (3Z,6R,7R)-rel-
1(3H)-Isobenzofuranone, 3-butylidene-4,5,6,7-tetrahydro-6,7-dihydroxy-, (3Z,6α,7β)-
rel-(3Z,6R,7R)-3-Butylidene-4,5,6,7-tetrahydro-6,7-dihydroxy-1(3H)-isobenzofuranone
Senkyunolide I