
%0 Journal Article
%A Barlin, GB 
%T Tautomerism in N-Heterocycles. IV. Pyrazino[2,3-d]pyridazine-5,8-diol
%J Australian Journal of Chemistry
%D 1979/02/01
%V 32
%N 2
%P 459-462
%K 
%R https://doi.org/10.1071/CH9790459
%U https://www.publish.csiro.au/paper/CH9790459 
%X Pyrazino[2,3-d]pyridazine-5,8-diol as the neutral molecule in aqueous solution has been shown to exist predominantly as 8-hydroxypyrazino[2,3-d]pyridazin-5(6H)-one by comparison of its u.v.spectra and pKa values with those of N- and O-methyl derivatives. 
