Sice, "Preparation and Reactions of 2-Methoxythiopene," Journal of American Chemical Society, vol. 75, pp. 3697-3700 (1953). |
Yamada et al., "Separation of peptide diastereomers by reversed-phase high-performance liquid chromatography and its application," Journal of Chromatography, vol, 515, pp. 475-482 (1990). |
Nakajima et al., "The Utility of 4-(2-Thienyl)Pyridines as a Derivatization Reagent for HPLC and Ce," Analytical Sciences, vol. 7, pp. 177-180 (1991). |
Nakao, Chemical Abstract 119:2498252 (1993) for WO 93/03025 (Feb. 18, 1983). |
Pfizer, Chemical Abstract 93:220595h for JP 80-55143 (Apr. 22, 1980). |