Synonyms: Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester (9CI);Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one (7CI);Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one, trans-(?à)- (8CI);2-Cyclopenten-1-one,4-hydroxy-3-methyl-2-(2-propynyl)-,2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate, trans-(?à)- (8CI);Etoc;Prallethrin;Rethrinpropargyl;Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,2-methyl-4-oxo-3-(2-propyn-1-yl)-2-cyclopenten-1-yl ester;