Synonyms: Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1R,3R)-rel- (9CI);Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, trans-(?à)-; Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methylpropenyl)-, trans-(?à)- (8CI); (?à)-trans-2,2-Dimethyl-3-isobutenyl-1-cyclopropanecarboxylicacid; (?à)-trans-Chrysanthemic acid; (?à)-trans-Chrysanthemumic acid; (?à)-trans-Chrysanthemummonocarboxylicacid; Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,trans-; DL-trans-Chrysanthemic acid; dl-trans-Chrysanthemumic acid;dl-trans-Chrysanthemummonocarboxylic acid;trans-2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid;trans-2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid ester;trans-3,3-Dimethyl-2-(2-methyl-1-propenyl)cyclopropane-1-carboxylic acid;trans-3,3-Dimethyl-2-(2-methyl-1-propenyl)cyclopropanecarboxylic acid;trans-Chrysanthemic acid; trans-Chrysanthemum monocarboxylic acid;trans-Chrysanthemumic acid