(1R,4R)-5-oxo-1,2-campholide <=> [(1R)-2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl]acetate + H(+)
(1r,4r)-5-oxo-1,2-campholide <=> [(1r)-2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl]acetate + h(+)
(1R,4R)-5-oxo-1,2-campholide <=> [(1R)-2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl]acetate + H(+)
(1r,4r)-5-oxo-1,2-campholide <=> [(1r)-2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl]acetate + h(+)