Synonyms: Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,(1S)-2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester, (1R,3R)- (9CI);Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester, [1R-[1a(S*),3b]]-;Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,(1S)-2-methyl-4-oxo-3-(2-propyn-1-yl)-2-cyclopenten-1-yl ester, (1R,3R)-;