выручайте, пожалуйста:
Tetrazoles. Part 46. 3H-1,3,4-Benzo- and Pyrido[6,7-b][1,3,4]triazepines from 5-Aryltetrazoles. Synthesis and Chemical Properties.
V. V. Nikulin, T. V. Artamonova,. G. I. Koldobskii
ChemInform Volume 35, Issue 19, page no, May 11, 2004
- DOI:
http://dx.doi.org/10.1002/chin.200419160