| abstract |
The present invention provides a raw material for producing a specific polymer containing an oxygen-containing crosslinked structure in the main chain. A compound represented by formula (I). (One of R1 to R5 is X—O—, one of R1 to R5 is —O—Y, the rest of R1 to R5 is H; X and Y are each independently H or a hydroxyl group, carboxyl group or Methylene or ethylene having an epoxy group) [Selection figure] None |