title: Coloured derivatives of plastoquinone-A & dibromothymoquinone: possible role in photosynthesis.
mesh_terms: D003124:Colorimetry; D003991:Dibromothymoquinone; D004578:Electron Spin Resonance Spectroscopy; D010788:Photosynthesis; D010971:Plastoquinone; D011809:Quinones
chemical_list: D011809:Quinones; D003991:Dibromothymoquinone; D010971:Plastoquinone