D-Mannose. Just like glucose, but the C-2 OH is flipped. L-galactose. A bit of a weird one. Note that if you remember “alpha” as the C1-OH being “up”, that only works for D-sugars. Going to the Fischer from L-α-idopyranose ...
2. All of the atoms on the right are pointed down in the Haworth structure. 3. All of the atoms on the left are pointed up in the Haworth structure. 4. The CH 2 OH (the carbon-#6 in D-glucose) is pointed up in the Haworth ...