Spectroscopy and photoprocesses of 4-methyl-umbellifeone and its ionic forms

Vasil'eva Nina Yu., and Shadrinsteva Oksana G.

Department of Photonics of Molecules, Siberian Physical-Technical Institute
by Tomsk State University, Novo-Sobornaya sq., 1, 634050 Tomsk, Russia

E-mail: vnyu @ phys.tsu.ru; Fax: (8-382-2) 23-30-34