| abstract |
A compound represented by the following general formula (1): where R 1 is a hydrogen atom, a fluorine atom, an alkyl group, an alkoxy group, a fluorinated alkyl group, a cyano group, or a triphenylsilyl group, plural R 1 moieties may be the same as or different from one another and only any one of the plural R 1 moieties is a cyano group, R 2 is a hydrogen atom, a fluorine atom, an alkyl group, an alkoxy group, or a fluorinated alkyl group, plural R 2 moieties may be the same as or different from one another, and at least one of the R 2 moieties is a fluorinated alkyl group, R 3 is a hydrogen atom, a fluorine atom, an alkyl group, an alkoxy group, a phenyl group, a carbazole group, a diphenylamino group, or a triphenylsilyl group, and plural R 3 moieties may be the same as or different from one another. |