145158-71-0 189188-57-6 3-(5-Methoxy-1H-indol-3-ylmethylene)-N-pentylcarbazimidamide hydrogen maleate HTF 919 Hydrazinecarboximidamide, 2-((5-methoxy-1H-indol-3-yl)methylene)-N-pentyl-, (2Z)-2-butenedioate (1:1) SDZ-HTF 919 Tagaserod maleate Tegaserod maleate Tegaserod maleate[USAN] Zelmac Zelnorm