The molecule is a 3-[2-chloro-4-(methylsulfonyl)benzoyl]-4-hydroxybicyclo[3.2.1]oct-3-en-2-one that has (1R,5S) configuration. The herbicide benzobicyclon hydrolysate is a racemate consisting of equimolar amounts of this compound and its enantiomer. It is an enantiomer of a (1S,5R)-benzobicyclon hydrolysate.
(1S,5R)-3-[(2-chloro-4-methylsulfonylphenyl)-hydroxymethylidene]bicyclo[3.2.1]octane-2,4-dione