A ferroelectric liquid crystal composition comprising at least one compound represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, a straight-chain or branched-chain alkyl group having 1 to 15 carbon atoms, and each asterisk represents an asymmetric carbon atom,...http://www.google.com.au/patents/US5215678?utm_source=gb-gplus-sharePatent US5215678 - Ferroelectric liquid crystal composition and liquid crystal device incorporating same
