1,3,6,8-Tetrachloropyrene 3,5,8,10-Tetrachloropyrene 4-05-00-02470 (Beilstein Handbook Reference) 81-29-8 BRN 2286916 EINECS 201-340-4 NSC 93972 Pyrene, 1,3,6,8-tetrachloro-