This invention describes liquid crystal materials of formula (I) which are of particular use in ferroelectric devices: in said formula, R and R' are independently selected from C1-12 alkyl and alkoxy.
Gray, George W.; Hird, Michael; Lacey, David, Journal of the Chemical Society. Perkin transactions II, 1989, p. 2041 - 2054
作者:Gray, George W.、Hird, Michael、Lacey, David、Toyne, Kenneth J.