58650-93-4
2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid
→
~67%
62641-01-4
5-(2-hydroxyethylidene)-3,4-dimethoxyfuran-2-one
15042-01-0
5,6-O-异丙叉基-L-抗坏血酸