pyréthrine II [ pyréthrine 2 | chrysanthème dicarboxylate de méthyle et de pyréthrolone ]
pyrethrin II [ 3-(3-methoxy-2-methyl- 3-oxo-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid 2-methyl-4-oxo- 3-(2,4-pentadienyl)- 2-cyclopenten-1-yl ester | chrysanthemumdicarboxylic acid monomethyl ester pyrethrolone ester ]