Synonyms: Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,2,3-dihydro-7-methyl-3-benzofuranyl ester (9CI); Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methylpropenyl)-, 2,3-dihydro-7-methyl-3-benzofuranyl ester(8CI); 2,3-Dihydro-7-methyl-3-benzofuranyl chrysanthemumate; ES 56