4-(nitromethyl)oxan-4-ol

oxepan-4-ol

tert-butyl 4-(4-cyanooxan-4-yl)piperazine-1-carboxylate

3-oxa-7-azabicyclo[3.3.1]nonan-9-one

4-乙炔-四氢-2H-吡喃-4-醇