英文同义词: | 5,6,7,8-TETRAFLUOROCOUMARIN;5,6,7,8-Tetrafluorocoumarin 97%;5,6,7,8-Tetrafluorocoumarin97%;5,6,7,8-Tetrafluoro-2H-chromen-2-one, 2-Oxo-5,6,7,8-tetrafluoro-2H-chromene, 2-Oxo-5,6,7,8-tetrafluoro-2H-1-benzopyran;5,6,7,8-tetrafluorochromen-2-one;2H-1-Benzopyran-2-one, 5,6,7,8-tetrafluoro-;5,6,7,8-tetrafluoro-1-benzopyran-2-one |