title: [Phototransformations of porphyrins in frozen solutions. Reduction of acid cation forms of etioporphyrin].
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D005615:Freezing; D008027:Light; D010084:Oxidation-Reduction; D011166:Porphyrins / Q000528:radiation effects*; D011830:Radiation Effects; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins
vernacular_title: Fotoprevrashcheniia porfirinov v zamorozhennykh rastvorakh. Reaktsii vosstanovleniia kislykh kationnykh formétioporfirina.