The anthracene derivative and its dimer, the optical information record body and the optical information recording method null general expression which

摘要

PROBLEM TO BE SOLVED: To provide a compound usable for a display or a recording material, a re-writable optical information-recording medium by using the same, and a method for recording or erasing the optical information.;SOLUTION: This anthracene derivative is expressed by general formula [wherein, (n) is an integer of 1 to 20], and its dimer is also provided.;COPYRIGHT: (C)2010,JPO&INPIT