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Catsyn? 4,4',4'',4'''-[Pyrene-1,3,6,8-tetrayltetrakis(ethyne-2,1-diyl)]tetraaniline | CAS 1404196-75-3?? ?? ??? ?????. ? ??? C48H30N4??, ???? 662.78g/mol??, ??? ????? NLT 98%???.