Also Called: reaction mass of: 1-(1'H,1'H,2'H,2'H-tridecafluorooctyl)-12-(1''H,1''H,2''H,2''H-tridecafluorooctyl)dodecanedioate;1-(1'H,1'H,2'H,2'H-tridecafluorooctyl)-12-(1''H,1''H,2''H,2''H-heptdecafluorodecyl)dodecanedioate;1-(1'H,1'H,2'H,2'H-tridecafluorooctyl)-12-(1''H,1''H,2''H,2''H-heneicosafluorododecyl)dodecanedioate;1-(1'H,1'H,2'H,2'H-tridecafluorooctyl)-12-(1''H,1''H,2''H,2''H-pentacosafluorotetradecyl)dodecanedioate;1-(1'H,1'H,2'H,2'H-heptadecafluorodecyl)-12-(1''H,1''H,2''H,2''H-heptadecafluorodecyl)dodecanedioate;1-(1'H,1'H,2'H,2'H-heptadecafluorodecyl)-12-(1''H,1''H,2''H,2''H-heneicosafluorododecyl)dodecanedioate