... Department of Organic Chemistry, Gorlaeus Laboratories, University of Leiden, 2300 RA Leiden, The Netherlands Received November 30, 1983 ... Page 2. Thermolysis of 3-Bromo-1-nitro-1H- indazoles Scheme I11 Br Br J. Org. Chem., Vol. 49, No. 18, 1984 3311 ...