66299-68-1
3-amino-6,7-dimethoxy-2-methylquinazolin-4(3H)-one
+
74-88-4
甲基碘
→
~91%
41632-01-3
6,7-dimethoxy-2,3-dimethylquinazolin-4-one
92340-00-6
~24%
N/A