Fluorene derivatives and polymers thereof

1 2 3 4 The compound (1) or (2), a composition containing the compound and a polymer obtained by polymerizing the composition. Ris fluorine, cyano, alkyl, and so forth; Ris hydrogen, alkyl, and so forth; Rand Rare independently hydrogen, fluorine, alkyl, and so forth; A is 1,4-cyclohexylene, 1,4-phenylene, and so forth; X is a single bond, -COO-, -OCO-, and so forth; P is alkylene and so forth; m and n are independently 0, 1 or 2.