Ищу статью:
Rahmi Kasımoğulları, B. Seçkin Arslan. Synthesis and characterization of some pyrazole derivatives of 1,5-diphenyl-1H-pyrazole-3,4-dicarboxylic acid. Journal of Heterocyclic Chemistry. 13 JUL 2010. (К сожалению, том и страница не указаны
)- DOI:
http://dx.doi.org/10.1002/jhet.416
