21594-52-5
6-溴-3H-恶唑并[4,5-b]吡啶-2-酮
+
74-88-4
甲基碘
→
~83%
122451-00-7
6-bromo-3-methyl-[1,3]oxazolo[4,5-b]pyridin-2-one
77-78-1
硫酸二甲酯