- E. V. Nosova, N. N. Mochul'skaya, S. K. Kotovskaya, G. N. Lipunova, V. N. Charushin, “Fluorinated benzazoles and benzazines”, Heteroatom Chemistry, 17, no. 6, 2006, 579
- El-Sayed H El-Ashry, El-Sayed I Ibrahim, 84, 2003, 71
- YU. A. AZEV, S. V. SHORSHNEV, S. G. ALEXEEV, V. N. CHARUSHIN, O. N. CHUPAKHIN, “ChemInform Abstract: ipso‐Substitution on an Acyl Group in Reactions of 3‐Acyl‐Substituted Ethyl 7,8‐Difluoro‐5‐oxo‐5,9a‐dihydropyrazolo(1,5‐a)quinoline‐4‐ carboxylates (I), (III) with Electrophilic Reagents.”, ChemInform, 25, no. 33, 1994, chin.199433192
- A. A. Boteva, O. P. Krasnykh, “The methods of synthesis, modification, and biological activity of 4-quinolones (review)”, Chem Heterocycl Comp, 45, no. 7, 2009, 757
- David Barrett, Hiroshi Sasaki, Takayoshi Kinoshita, Akihiko Fujikawa, Kazuo Sakane, “A novel synthesis of the pyrazolo[1,5-a]quinoline ring system. New N1-C2 bridged DNA gyrase inhibitors via a novel tandem 1,4-conjugate addition-Michael [3+2] annulation process”, Tetrahedron, 52, no. 25, 1996, 8471