667-27-6
二氟溴乙酸乙酯
+
15186-48-8
(R)-(+)-2,2-二甲基-1,3-二氧戊环-4-甲醛
→
928797-50-6
ethyl 3-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-difluoro-3-hydroxypropanoate