HNMR of 3,4,5,6-Tetrakis(3,6-diphenyl-9H-carbazol-9-yl)phthalonitrile CAS 1469707-47-8 - Warshel Chemical Ltd - Developing catalysts, resins, LCD/OLED materials, agrochemicals as well as other performance productsWarshel Chemical Ltd – Developing catalysts, resins, LCD/OLED materials, agrochemicals as well as other performance products