Answers are grounded in this paper and cite their sources.
Tegaserod is shown to exist in the tautomeric form II in the free base and also in a monohydrate. The Tegaserod nicotinate salt has a 6-fold better aqueous solubility than the marketed Tegaserod maleate (form A, Zelnorm™).
No takes yet. Share an insight, caveat, or question.
Srivijaya et al. (2007) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: