(1S)-2,2-Dimethyl-3α-(2-methyl-1-propenyl)cyclopropanecarboxylic acid

(1S,3R)-2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid

(1S-cis)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylic acid

(1S)-2β-(2-Methyl-1-propenyl)-3,3-dimethylcyclopropane-1β-carboxylic acid