The molecule is the monocarboxylic acid anion formed by loss of a proton from the carboxy group of (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid; major microspecies at pH 7.3. It is a conjugate base of a (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid.
(1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate