title: [The photo cyclo-dimerization of substituted coumarins].
mesh_terms: D003374:Coumarins / Q000528:radiation effects*; D003500:Cyclization; D010777:Photochemistry; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D003374:Coumarins
vernacular_title: Uber die Photocyclodimerisation substituierter Cumarine.