Cyclopropanepropanoic acid, b-oxo-1-(trifluoromethyl)- , its CAS NO. is 1000525-62-1, the synonyms are 3-oxo-3-[1-(trifluoromethyl)cyclopropyl]propanoic acid ; B-oxo-1-(trifluoromethyl)-Cyclopropanepropanoic acid .