https://www.vedomosti.ru/business/news/2013/04/03/sibur_snizil_chistuyu_pribyl2012_po_msfo_na_43_do_601_mlrd?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=sibur_snizil_chistuyu_pribyl2012_po_msfo_na_43_do_601_mlrd