6757-89-7
2-phenyl-5-hydroxybenzotriazole
+
79-04-9
一氯代乙酰氯
→
860591-27-1
4-(2-chloroacetyl)-2-phenyl-3H-benzotriazol-5-one
21819-66-9
2-phenylbenzotriazol-5-amine