title: Resonance Raman spectroscopy as an analytical probe for biological chromophores: spectra of four Cu-etioporphyrins.
mesh_terms: D003300:Copper; D007536:Isomerism; D007834:Lasers; D008722:Methods; D008968:Molecular Conformation; D011166:Porphyrins; D012542:Scattering, Radiation; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins; D003300:Copper