444663-80-3
→
~91%
920509-59-7
[3,5-dibromo-4-(bromomethyl)phenyl]methanol
74896-66-5
3,5-二溴-4-甲基苯甲酸甲酯
920509-60-0
2-[2,6-dibromo-4-(hydroxymethyl)phenyl]acetonitrile