Benz(a)anthracene, 7,9,10,12-tetramethyl- (CAS NO.63019-70-5) can be called 4-05-00-02604 (Beilstein Handbook Reference) ; 6,7,9,10-Tetramethyl-1,2-benzanthracene ; 7,9,10,12-Tetramethylbenz(a)anthracene ; BRN 3303709 ; CID44296 .