DL-O1,O3;O2,O4-dimethanediyl-xylitol

脱氢抗坏血酸

3,5:4,6-di-O-methylene-L-galactonamide

ethyl 3,5:4,6-di-O-methylene-L-galactonate

2,4:3,5-di-O-methylene-L-lyxose