4,11,12,13-tetrahydroxy-2-methoxy-7-methyl-7,8,9,10,11,12,13,14-octahydro-6-oxabenzocyclotetradecen-5-one
4,11,12,13-tetrahydroxy-2-methoxy-7-methyl-7,8,9,10,11,12,13,14-octahydro-6-oxabenzocyclotetradecen-5-one