preandiloid A => (E,E)-epoxyfarnesyl-5,7-dihydroxy-4,6-dimethylphthalide + H(+)
preandiloid a => (e,e)-epoxyfarnesyl-5,7-dihydroxy-4,6-dimethylphthalide + h(+)
preandiloid A => (E,E)-epoxyfarnesyl-5,7-dihydroxy-4,6-dimethylphthalide + H(+)
preandiloid a => (e,e)-epoxyfarnesyl-5,7-dihydroxy-4,6-dimethylphthalide + h(+)