Cinerin II, (1R)-2.2-dimethyl-3t-(2-methoxycarbonyl-cis-propenyl)-cyclopropane-carboxylic acid-(1r)-[(S)-4-oxo-2-methyl-3-(buten-(2c)-yl)-cyclopenten-(2)-yl ester], (1S)-3-[(2Z)-but-2-en-1-yl]-2-methyl-4-oxocyclopent-2-en-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl]-2,2-dimethylcyclopropane-1-carboxylate, (1S)-3-(2Z)-2-buten-1-yl-2-methyl-4-oxo-2-cyclopenten-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylate, 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate, (1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-[(Z)-2-butenyl]-2-methyl-4-oxo-2-cyclopenten-1-yl, (Z)-(S)-3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl pyrethate, (1R,3R)-3-[(1E)-3-Methoxy-2-Methyl-3-oxo-1-propen-1-yl]-2,2-diMethylcyclopropanecarboxylic Acid (1S)-3-(2Z)-2-Buten-1-yl-2-Methyl-4-oxo-2-cyclopenten-1-yl Ester, Cyclopropanecarboxylic acid,3-(1E)-3-methoxy-2-methyl-3-oxo-1-propenyl-2,2-dimethyl-,(1S)-3-(2Z)-2-butenyl-2-methyl-4-oxo-2-cyclopenten-1-yl ester,(1R,3R), (Z)-(S)-3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl (E)-(1R)-trans-3-(2-methoxycarbonylprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate, (1R)-2.2-Dimethyl-3t-(2-methoxycarbonyl-cis-propenyl)-cyclopropan-carbonsaeure-(1r)-[(S)-4-oxo-2-methyl-3-(buten-(2c)-yl)-cyclopenten-(2)-ylester], (Z)-(S)-3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl (E)-(1R,3R)-3-(2-methoxycarbonylprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate