title: A new type of semi-empirical molecular orbital method for large molecules.
mesh_terms: D001585:Benzoyl Peroxide; D004583:Electrons; D006147:Guanine; D006838:Hydrocarbons; D046911:Macromolecular Substances; D008722:Methods; D008956:Models, Chemical; D011789:Quantum Theory
chemical_list: D006838:Hydrocarbons; D046911:Macromolecular Substances; D006147:Guanine; D001585:Benzoyl Peroxide