1 QJM N-{(1r,2r)-2-[(4as,7ar)-2-amino-4a,5-dihydro-4h-furo[3,4-D][1,3]thiazin-7a(7h)-yl]cyclopropyl}-5-fluoropyridine-2-carboxamide 1.000 2 QJJ N-{(1s,2s)-2-[(4as,7ar)-2-amino-4a,5-dihydro-4h-furo[3,4-D][1,3]thiazin-7a(7h)-yl]cyclopropyl}-5-fluoropyridine-2-carboxamide 1.000