英语语法分析

The pyrazoline naphthyridine coumarin fluorescent dye derivative has structure as seen in formula I or formula II.

本发明的吡唑啉吡啶并香豆素染料衍生物具有式（I）或 式（II）所示结构。

The pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives have a structure shown in a formula (I) or a formula (II).

本发明的吡唑啉吡啶并苯 并香豆素染料衍生物具有式（I）或式（II）所示结构。