(4S,7S)-7-hydroxy-4-isopropenyl-7-methyloxepan-2-one => (3S)-3-isopropenyl-6-oxoheptanoate + H(+)
(4s,7s)-7-hydroxy-4-isopropenyl-7-methyloxepan-2-one => (3s)-3-isopropenyl-6-oxoheptanoate + h(+)
(4S,7S)-7-hydroxy-4-isopropenyl-7-methyloxepan-2-one => (3S)-3-isopropenyl-6-oxoheptanoate + H(+)
(4s,7s)-7-hydroxy-4-isopropenyl-7-methyloxepan-2-one => (3s)-3-isopropenyl-6-oxoheptanoate + h(+)