Oils and other products of the distillation of high temperature coal tars; similar products in which the weight of the aromatic constituents exceeds that of the non-aromatic constituents (excl. chemically-defined compounds, benzol 'benzene', toluol 'toluene', xylol 'xylenes', naphthalene, aromatic hydrocarbon mixtures of subheading 2707.50, and creosote oils)