prov:value
| - 1. 2-(4,3-Disubstituted phenyl)-5-alkyl-1,3,2-dioxaborinane derivatives of the general formula ##STR237## wherein A is --OR', --CN, ##STR238## X and Y being simultaneously or independently H, F, or Cl, at least one of X and Y being other than H, R and R' standing for an alkyl radical of a normal structure, comprising from 1 to 7 carbon atoms, as components for a liquid crystal material.
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