(6R)-3,5,6-Trihydroxy-2-isovaleryl-4,6-bis(3-methylbut-2-enyl)cyclohexa-2,4-dienone 1,4,6-Trihydroxy-1,3-bis(2-isopentenyl)-5-isovaleryl-3,5-cyclohexadien-2-on 2',3'-Dihydro-3'beta,4',6'-trihydroxy-3'alpha,5'-bis(3-methyl-2-butenyl)-2'-oxoisovalerophenon 26472-41-3 3,5,6beta-Trihydroxy-2-isovaleryl-4,6alpha-bis(3-methyl-2-butenyl)-2,4-cyclohexadienon CCRIS 7249 EINECS 247-725-0 Humulon NSC 56351 alpha-Humulon