| 摘要 |
An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): wherein R<1>, R<2>, R<3 >and R<4 >each independently represents a hydrogen atom or a substituent group; R<5 >and R<6 >each independently represents a hydrogen atom or a substituent group; and B represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, which are derivable from a diazonium salt.
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