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在7位上有氨基取代基团的4-甲基或4-甲氟基香豆素衍生物是目前得到广泛应用的蓝绿色激光染料。这类衍生物分子在激发态发
4-Methyl or 4-Methylfluoroucoumarin derivatives having an amino group at the 7-position are the blue-green laser dyes widely used at present. Such derivatives molecules in the excited state hair