ペンタゾール
↑ Thorsten Schroer, Ralf Haiges, Stefan Schneidera and Karl O. Christe (2005-01-27). “The race for the first generation of the pentazolate anion in solution is far from over”. Chemical Communications (Royal Society of Chemistry) (12). doi:10.1039/B417010E. http://xlink.rsc.org/?DOI=b417010e.