1076-38-6
4-羟基香豆素
+
137-07-5
2-氨基苯硫醇
→
~88%
75908-14-4
12H-chromeno[3,4-b][1,4]benzothiazin-6-one
38464-20-9
4-氯-3-硝基香豆素
~72%