Phthalocyanine Dyes And Porphyrin Dyes
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Porphyrins Are A Group Of Heterocyclic Macrocyclic Organic Compounds, Which Are Composed Of Four Modified Pyrrole Subunits And Are Interconnected At Alpha Carbon Atoms Through Methane Bridge (=Ch). Porphyrin Ring Structure Consists Of 26 Pion Electrons, O
