3d image of aceanthrylene skeletal formula

aceanthrylene polycyclic aromatic hydrocarbon heterocyclic heterocycle arene peri-fused ortho-fused poison venom toxicant toxic toxicity toxin toxicology poisoning danger hazard acute harmful exposure limit antidote intoxication detoxification carcinogen cancer carcinogenicity carcinogenic carcinogenesis tumor promotion malignancy angiogenesis substance matter material compound component agent reagent functional group precursor synthesis reaction production building block 3d