157666-04-1
→
~82%
157666-05-2
5-O-(三苯甲基)-2-C-甲基-D-核糖酸-gamma-内酯
122520-52-9
(S,E)-methyl 3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylacrylate
76-83-5
三苯基氯甲烷
N/A
492-30-8
2-C-甲基-D-核糖酸-1,4-内酯