translate English to French: On direct irradiation 10 forms 5-cyanobenzosemibullvalene (12; 5%, Φ = 0.019), COT 9 (70%, Φ = 0.56), and 1-cyanonaphthalene (14%, Φ = 0.078).
Par irradiation directe, 10 conduit au cyano-5 benzo semi-bullvalène (12; 5%, Φ = 0.019), à 9 (70%, Φ = 0.56) et au cyano-1 naphtalène (14%, Φ = 0.078).