1,2-Dihydro-3,6-dimethylbenz(j)aceanthrylene 3,6-Dimethylcholanthrene 85923-37-1 BRN 4691254 Benz(j)aceanthrylene, 1,2-dihydro-3,6-dimethyl- (9CI) Cholanthrene, 3,6-dimethyl-