54789-70-7
2-methyl-1,3-benzoxazin-4-one,perchloric acid
→
~87%
79349-23-8
2-(3-甲基-1,2,4-恶二唑-5-基)苯酚
487-48-9
醋水杨胺
~23%
221173-75-7
158261-73-5