19172-47-5
劳森试剂
+
90-47-1
占吨酮
→
~95%
492-21-7
xanthene-9-thione
74322-77-3
1-morpholino-1,3-butadiene
156544-47-7
~87%
517-45-3
9,9'-二亚呫吨
161-86-4
Dispiro-
1807-62-1
2-(9-xanthylidene)indane-1,3-dione
112083-32-6
3,3-dimethoxyspiro[thietane-2,9'-xanthene]
92-83-1
氧杂蒽
89566-16-5
[9,9'-Bi-9H-xanthene]-9-thiol