Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, 5-(2-propynyl)furfuryl ester,cis- mixed with trans-2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid 5-(2-propynyl)furfuryl ester (1:4) Furamethrin racemic mixture GZ2008000