4-[(4-Diethyl-amino-2-hydroxy-benzyl-idene)ammonio]-3-methyl-benzene-sulfonate.
Acta Crystallogr Sect E Struct Rep Online. 2009 Oct 23;65(Pt 11):o2843. doi: 10.1107/S1600536809043098.
Acta Crystallogr Sect E Struct Rep Online. 2009.
PMID: 21578433
Free PMC article.