RHO-ISOHUMULONEA2

2-(3-Methylbutanoyl)-3,4-dihydroxy-4-(1-hydroxy-4-methyl-3-pentenyl)-5-(3-methyl-2-butenyl)-2-cyclopentene-1-one

3,4-Dihydroxy-4-(1-hydroxy-4-methyl-3-pentenyl)-5-(3-methyl-2-butenyl)-2-(3-methyl-1-oxobutyl)-2-cyclopenten-1-one