title: Characterization of photocycloaddition products from reaction between thymidine and the monofunctional 3-carbethoxypsoralen.
mesh_terms: D004247:DNA; D011564:Furocoumarins; D013936:Thymidine; D014466:Ultraviolet Rays
chemical_list: D011564:Furocoumarins; D004247:DNA; C017104:3-carbethoxypsoralen; D013936:Thymidine