| http://www.w3.org/ns/prov#value | - or a reaction product comprising, consisting essentially of or consisting of a single chlorin macrocycle compound as a condensation product).A fourth aspect of the present invention is a method of making a porphyrin macrocycle compound, comprising: condensing a tripyrrane and a 2,5-pyrrole-dicarbinol in a weakly polar solvent in the presence of a Lewis acid to produce said porphyrin macrocycle com
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