N-Alkylated aminopyrazines for use as hydrophilic optical agents

Amruta R. Poreddy, Bethel Asmelash, Karen P. Galen, Richard M. Fitch, Jeng Jong Shieh, James M. Wilcox, Tasha M. Schoenstein, Jolette K. Wojdyla, Kimberly R. Gaston, John N. Freskos, William L. Neumann, Raghavan Rajagopalan, Hyo Yang Ahn, James G. Kostelc, Martin P. Debreczeny, Kevin D. Belfield, Richard B. Dorshow