Patent ID: 7078562

Claim:
A compound represented by the general formula (1): wherein X is a hydrogen atom, alkyl, halogen-containing alkyl, halogen, or hydroxyl-, halogen-, nitrile- or ether-containing hydrocarbyl, and a plurality of X groups, if any, may be the same or different from each other; n 1 is an integer of 1 to 14; R 1 to R 4 may be the same or different from each other and are independently alkyl or halogen-containing alkyl; and one of Y 1 and Y 2 is a group represented by the general formula (2): wherein R 5 to R 7 may be the same or different from each other and are independently a hydrogen atom, alkyl, halogen or halogen-containing alkyl, and the other one of Y 1 and Y 2 is a hydrogen atom.