1 K04 (2s,3s)-3-methyl-N-(1,2,3-thiadiazol-5-yl)tetrahydrofuran-2-carboxamide (non-preferred name) 1.000 2 U9R (2s,3r)-3-methyl-N-(1,2,3-thiadiazol-5-yl)oxolane-2-carboxamide (non-preferred name) 1.000