abstract |
PROBLEM TO BE SOLVED: To provide an optical recording medium capable of good recording and reproduction with a laser having a wavelength of 300 to 900 nm. And novel benzo [1,2,4] thiadiazine-1,1-dioxide derivatives. An optical recording medium containing a benzo [1,2,4] thiadiazine-1,1-dioxide derivative in a recording layer. [Selection figure] None |