3067-12-7 4-07-00-02682 (Beilstein Handbook Reference) 6,12-Benzo(a)pyrenedione 6,12-Benzopyrene quinone BENZO(A)PYRENE-6,12-DIONE BP-6,12-Quinone BRN 1883987 Benzo(a)pyrene 6,12-dione Benzo(a)pyrene 6,12-quinone Benzo(a)pyrene-6,12-quinone