498-94-2
4-哌啶甲酸
+
95-55-6
美沙拉嗪杂质C
→
~90%
51784-03-3
2-哌啶-4-苯并噁唑
100-39-0
溴化苄
2295-47-8
2-pyridin-4-yl-1,3-benzoxazole