2128308-79-0

Transport Materials X55 N7,N7'-trans(4-methoxyphenyl)-N2,N2',N7,N7'-trans(9,9-dimethylfluorene-2-yl)spiro[fluorene-9,9'-xanthene]-2,2',7,7'-tetraamine Spiro[9H-fluorene-9,9'-[9H]xanthene]-2,7-diamine, N2,N7-bis(4-methoxyphenyl)-N2,N7-bis(spiro[9H-fluorene-9,9'-[9H]xanthen]-2-yl)- Spiro[9H-fluorene-9,9'-[9H]xanthene]-2,7-diamine, N2,N7-bis(4-methoxyphenyl)-N2,N7-bis(spiro[9H-fluorene-9,9'-[9H]xanthen]-2-yl)-