Dehydroquinic acid

5-Dehydroquinic acid

3-Dehydroquinic acid

1,3β,4α-Trihydroxy-5-oxocyclohexane-1β-carboxylic acid

(1R)-1β,4β,5α-Trihydroxy-3-oxocyclohexane-1-carboxylic acid

(1R)-1α,3β,4α-Trihydroxy-5-oxo-1β-cyclohexanecarboxylic acid