1,2:6,7-Dibenzophenanthrene 2,3-Benzochrysene 2,3:7,8-Dibenzophenanthrene 214-17-5 3,4-Benzotetracene 3,4-Benzotetraphene 3,4-Benztetraphene 4-05-00-02721 (Beilstein Handbook Reference) BENZO(B)CHRYSENE BRN 2051199 Benzo(c)tetraphene CCRIS 6760 EINECS 205-919-2 NSC 89274 Naphth(2,1-a)anthracene