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2,2',7,7'-Tetrabromo-9,9'-spirobifluorene 128055-74-3| OLED Material

2,2',7,7'-Tetrabromo-9,9'-spirobifluorene 128055-74-3| OLED Material

Purity:98%; Application:OLED Materials; Customizing service, best service; Comprehensive quality management, High Quality, Welcome Contact!