drogen atom, and in case where both x1 and x2 are trifluoromethyl and x3 is a hydrogen atom, r3c is a hydrogen atom, chlorine atom, bromine atom, iodine atom, c1-c5alkyl, c1-c5haloalkyl, c1-c4haloalkoxy or c1-c4haloalkylthio.. . 04/16/1520150105353Stable composition for controlling biological growth and using same in oil field applicationsA stabilized composition is disclosed which contains at lea