35338-15-9
ethyl 4-(4-bromophenyl)-4-oxobut-2-enoate
→
39644-80-9
3-(4-溴苯甲酰基)丙烯酸
99-73-0
2,4'-二溴苯乙酮
1777-57-7
1-(3-chloropropyl)-3-cyclohexylurea
35497-00-8
Triphenyl-β-keto-p-bromphenylphosphonium
108-31-6
马来酸酐
+
108-86-1
溴代苯