Study of the spectra of asymmetric triazines with growth-stimulating activity Evgenia Builova, Elena Kuznetsova, Lyubov Rolnik, Irek Shaikhullin and Gulia Aminova E3S Web Conf., 176 (2020) 03005 Published online: 22 June 2020 DOI: 10.1051/e3sconf/202017603005