... Please enable JavaScript to use all the features on this page. European Journal of Medicinal Chemistry. ... 254 Experimentalprotocols3.75-3.85 (m, 3H, OCH,-CH(OH));4.05 (s, 3H, OCH,);6.15 (d, lH,J,., = 3.9 Hz, H-2 thiophenic);6.25 (d, lH, Jz.s = 3.9 Hz, H-2 thiophenic). ...